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2009-01-21arch/sh/mm: Move a dereference below a NULL testJulia Lawall1-1/+1
If the NULL test is necessary, then the dereference should be moved below the NULL test. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/). // <smpl> @disable is_null@ identifier f; expression E; identifier fld; statement S; @@ + if (E == NULL) S f(...,E->fld,...); - if (E == NULL) S @@ identifier f; expression E; identifier fld; statement S; @@ + if (!E) S f(...,E->fld,...); - if (!E) S // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-01-07mm: show node to memory section relationship with symlinks in sysfsGary Hade1-1/+2
Show node to memory section relationship with symlinks in sysfs Add /sys/devices/system/node/nodeX/memoryY symlinks for all the memory sections located on nodeX. For example: /sys/devices/system/node/node1/memory135 -> ../../memory/memory135 indicates that memory section 135 resides on node1. Also revises documentation to cover this change as well as updating Documentation/ABI/testing/sysfs-devices-memory to include descriptions of memory hotremove files 'phys_device', 'phys_index', and 'state' that were previously not described there. In addition to it always being a good policy to provide users with the maximum possible amount of physical location information for resources that can be hot-added and/or hot-removed, the following are some (but likely not all) of the user benefits provided by this change. Immediate: - Provides information needed to determine the specific node on which a defective DIMM is located. This will reduce system downtime when the node or defective DIMM is swapped out. - Prevents unintended onlining of a memory section that was previously offlined due to a defective DIMM. This could happen during node hot-add when the user or node hot-add assist script onlines _all_ offlined sections due to user or script inability to identify the specific memory sections located on the hot-added node. The consequences of reintroducing the defective memory could be ugly. - Provides information needed to vary the amount and distribution of memory on specific nodes for testing or debugging purposes. Future: - Will provide information needed to identify the memory sections that need to be offlined prior to physical removal of a specific node. Symlink creation during boot was tested on 2-node x86_64, 2-node ppc64, and 2-node ia64 systems. Symlink creation during physical memory hot-add tested on a 2-node x86_64 system. Signed-off-by: Gary Hade <garyhade@us.ibm.com> Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-22sh: split coherent pagesMagnus Damm1-1/+6
Split pages returned by dma_alloc_coherent() and make sure we free them one by one. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-12-22sh: Generic kgdb stub support.Paul Mundt1-6/+0
This migrates from the old bitrotted kgdb stub implementation and moves to the generic stub. In the process support for SH-2/SH-2A is also added, which the old stub never provided. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-12-22sh: Fix up the cpu_asid() return value on nommu.Paul Mundt1-1/+1
This ought to be unsigned long, rather than defaulting to int. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-12-22sh: Convert sh64 /proc/asids to debugfs and generic sh.Paul Mundt3-0/+81
This converts the sh64 /proc/asids entry to debugfs and enables it for all SH parts that have debugfs enabled. On MMU systems this can be used to determine which processes are using which ASIDs which in turn can be used for finer grained cache tag analysis. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-12-22sh: P4 ioremap pass-throughMagnus Damm2-12/+2
This patch adds a pass-through case when ioremapping P4 addresses. Addresses passed to ioremap() should be physical addresses, so the best option is usually to convert the virtual address to a physical address before calling ioremap. This will give you a virtual address in P2 which matches the physical address and this works well for most internal hardware blocks on the SuperH architecture. However, some hardware blocks must be accessed through P4. Converting the P4 address to a physical and then back to a P2 does not work. One example of this is the sh7722 TMU block, it must be accessed through P4. Without this patch P4 addresses will be mapped using PTEs which requires the page allocator to be up and running. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-12-22sh: Move arch_get_unmapped_area() in to arch/sh/mm/mmap.c.Paul Mundt1-0/+94
Now that arch/sh/mm/mmap.c exists, move arch_get_unmapped_area() there. Follows the ARM change. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-11-13sh: Don't factor in PAGE_OFFSET for valid_phys_addr_range() check.Paul Mundt1-1/+1
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-11-12sh: Provide a sane valid_phys_addr_range() to prevent TLB reset with PMB.Paul Mundt3-2/+33
With the PMB enabled, only P1SEG and up are covered by the PMB mappings, meaning that situations where out-of-bounds physical addresses are read from will lead to TLB reset after the PMB miss, allowing for use cases like dd if=/dev/mem to reset the TLB. Fix this up to make sure the reference is between __MEMORY_START (phys) and __pa(high_memory). This is coherent across all variants of sh/sh64 with and without MMU, though the PMB bug itself is only applicable to SH-4A parts. Reported-by: Hideo Saito <saito@densan.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-11-10sh: Handle fixmap TLB eviction more coherently.Paul Mundt2-3/+26
There was a race in the kmap_coherent() implementation. While we guarded against preemption, there was nothing preventing eviction of the pre-faulted fixmap entry from the UTLB. Under certain workloads this would result in the fixmap entries used for cache colouring being evicted from the UTLB in the midst of a copy_page(). In addition to pre-faulting, we also make sure to preserve the PTEs in the kernel page table and introduce a cached PTE for kmap_coherent() usage. This follows a similar change on MIPS ("[MIPS] Fix aliasing bug in copy_to_user_page / copy_from_user_page"). Reported-by: Hideo Saito <saito@densan.co.jp> Reported-by: CHIKAMA Masaki <masaki.chikama@gmail.com> Tested-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-10-31sh: fix sh2a cache entry_maskYoshihiro Shimoda1-4/+4
fix sh2a cache entry_mask in __flush_{purge,invalidate}_region. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-10-21sh: Kill off duplicate remove_memory() definition.Andrew Morton1-17/+0
Use the generic remove_memory() provided by mm/memory_hotplug.c instead. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-10-20sh: remove consistent alloc cruftMagnus Damm1-10/+0
Remove left overs from the generic declared coherent rework. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-10-20Fix debugfs_create_file's error checking method for arch/sh/mm/Zhaolei2-0/+8
debugfs_create_file() returns NULL if an error occurs, returns -ENODEV when debugfs is not enabled in the kernel. Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-21sh: Trivial trace_mark() instrumentation for core events.Paul Mundt1-24/+33
This implements a few trace points across events that are deemed interesting. This implements a number of trace points: - The page fault handler / TLB miss - IPC calls - Kernel thread creation The original LTTng patch had the slow-path instrumented, which fails to account for the vast majority of events. In general placing this in the fast-path is not a huge performance hit, as we don't take page faults for kernel addresses. The other bits of interest are some of the other trap handlers, as well as the syscall entry/exit (which is better off being handled through the tracehook API). Most of the other trap handlers are corner cases where alternate means of notification exist, so there is little value in placing extra trace points in these locations. Based on top of the points provided both by the LTTng instrumentation patch as well as the patch shipping in the ST-Linux tree, albeit in a stripped down form. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-21sh: Kill off duplicate page fault notifiers in slow path.Paul Mundt1-7/+4
We already have hooks in place in the __do_page_fault() fast-path, so kill them off in the slow path. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-21sh: Look up the trap vector for the page fault notifier.Paul Mundt1-9/+4
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-20sh: Support kernel stacks smaller than a page.Paul Mundt1-0/+29
This follows the powerpc commit f6a616800e68b61807d0f7bb0d5dc70665ef8046 '[POWERPC] Fix kernel stack allocation alignment'. SH has traditionally forced the thread order to be relative to the page size, so there were never any situations where the same bug was triggered by slub. Regardless, the usage of > 8kB stacks for the larger page sizes is overkill, so we switch to using slab allocations there, as per the powerpc change. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-17sh: Make memory hot-add and hot-remove depend on MMU.Paul Mundt1-2/+2
Cleans up link numerous build issues with page migration and so on when enabled on nommu builds. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-08sh: kprobes: Hook up kprobe_fault_handler() in the page fault path.Paul Mundt1-1/+28
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-08sh: uninline flush_icache_all().Paul Mundt1-1/+1
This uses jump_to_uncached() which is now given the noinline attribute due to the special section mapping. Kill off the inline attribute to fix up compilation failure. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-08sh: remove unnecessary memset after alloc_bootmem_low_pagesMarek Skuczynski1-1/+0
Because alloc_bootmem functions return the allocated memory always zeroed, an additional call of memset on allocated memory is unnecessary. Signed-off-by: Marek Skuczynski <M.Skuczynski@adbglobal.com> Signed-off-by: Carl Shaw <carl.shaw@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-08sh: vmalloc pgtable sync fix.Stuart Menefy1-4/+7
This fixes a problem in the code which copies the vmalloc portion of the kernel's page table into the current user space page table. The addition of the four level page table code breaks on folded page tables, because the pud level is always present (although folded). This updates the code to use the same style of updates for the pud as is used for the pgd level. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-08sh: early cached_to_uncached initialization.Stuart Menefy1-13/+14
statically initialise the cached_to_uncached offset, so that we can use it immediatly. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-08sh: Add support for memory hot-remove.Paul Mundt2-0/+21
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-08sh: fixup many sparse errors.Paul Mundt3-1/+3
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-08-28sh: fix platform_resource_setup_memory() section mismatchMagnus Damm1-3/+3
This patch kills a section mismatch for platform_resource_setup_memory(). Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-08-11sh: select memchunk size using kernel cmdlineMagnus Damm1-0/+27
Allow user to pass parameters on kernel command line to override default size for physically contiguous memory buffers. The default VPU buffer size is too small for VGA harware encoding, but instead of just bumping up the number we allow the user to override the default size using the command line. Supports SuperH Mobile hardware blocks such as VEU, VPU and CEU. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-08-11sh: Disable 64kB hugetlbpage size when using 64kB PAGE_SIZE.Paul Mundt1-0/+2
Presently we oops in mm/hugetlb.c:1325, which is the order == 0 test in hugetlb_add_hstate() called at initialization time. So, disable 64kB huge pages when we're using a 64kB PAGE_SIZE. On most parts this will force the default to be 1MB huge pages. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-08-04SH2(A) cache updateYoshinori Sato4-14/+172
Includes: - SH2 (7619) Writeback support. - SH2A cache handling fix. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-08-04sh: Fix up broken kerneldoc comments.Paul Mundt1-14/+6
These were completely unparseable, so fix them up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-08-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds1-1/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits) mm/hugetlb.c must #include <asm/io.h> video: Fix up hp6xx driver build regressions. sh: defconfig updates. sh: Kill off stray mach-rsk7203 reference. serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. sh: Move out individual boards without mach groups. sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. sh: Allow SH-3 and SH-5 to use common headers. sh: Provide common CPU headers, prune the SH-2 and SH-2A directories. sh/maple: clean maple bus code sh: More header path fixups for mach dir refactoring. sh: Move out the solution engine headers to arch/sh/include/mach-se/ sh: I2C fix for AP325RXA and Migo-R sh: Shuffle the board directories in to mach groups. sh: dma-sh: Fix up dreamcast dma.h mach path. sh: Switch KBUILD_DEFCONFIG to shx3_defconfig. sh: Add ARCH_DEFCONFIG entries for sh and sh64. sh: Fix compile error of Solution Engine sh: Proper __put_user_asm() size mismatch fix. sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation. ...
2008-07-29sh: migrate to arch/sh/include/Paul Mundt1-1/+1
This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-29Merge branch 'linus' into core/generic-dma-coherentIngo Molnar11-89/+106
Conflicts: arch/x86/Kconfig Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-28sh: fix uImage Entry PointYoshihiro Shimoda1-0/+8
fix the problem that cannot boot using uImage when PAGE_SIZE is 8kbyte or 64kbyte. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28fix sh ptep_get_and_clear breakageAdrian Bunk1-1/+1
Commit 1ea0704e0da65b2b46f9142ff1391163aac24060 (mm: add a ptep_modify_prot transaction abstraction) triggered on sh build errors like the following: <-- snip --> ... CC arch/sh/mm/pg-sh4.o cc1: warnings being treated as errors include2/asm/pgtable.h:139: error: 'ptep_get_and_clear' declared inline after being called include2/asm/pgtable.h:139: error: previous declaration of 'ptep_get_and_clear' was here make[2]: *** [arch/sh/mm/pg-sh4.o] Error 1 <-- snip --> Since there's no good reason for marking these global functions as "inline" this patch therefore removes the inline's. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add memory chunks to SH-Mobile UIO devicesMagnus Damm1-0/+30
This patch adds physically contiguous memory chunks to the UIO devices. The same strategy can be used in the future for the CEU as well. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: fix pg-sh4.c build breakage in linux-nextMagnus Damm1-1/+1
Remove inline from ptep_get_and_clean() to match with header file prototype. Makes linux-next build. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Conditionally re-enable IRQs in fault path.Stuart Menefy1-4/+8
The current kernel behaviour is to reenable interrupts unconditionally when taking a page fault. This patch changes this to only enable them if interrupts were previously enabled. It also fixes a problem seen with this fix in place: the kernel previously flushed the vsyscall page when handling a signal, which is not only unncessary, but caused a possible sleep with interrupts disabled. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Optimized flush_icache_range() implementation.Chris Smith1-31/+36
Add implementation of flush_icache_range() suitable for signal handler and kprobes. Remove flush_cache_sigtramp() and change signal.c to use flush_icache_range(). Signed-off-by: Chris Smith <chris.smith@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Add support for 16kB PAGE_SIZE.Paul Mundt1-0/+6
16kB is a useful size on nommu, while 64kB still tends to be too big to be useful. Newer MMUs are likely to support this as well, so plug it in in anticipation of those, too. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: Support variable page sizes on nommu.Paul Mundt1-3/+3
PAGE_SIZE doesn't need to be fixed at 4096 on nommu, so stub in a !MMU case for the various PAGE_SIZE Kconfig options. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh: fix seq_file memory leakLi Zefan2-2/+2
When using single_open(), single_release() should be used instead of seq_release(), otherwise there is a memory leak. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-26sh: use generic show_mem()Johannes Weiner1-41/+0
Remove arch-specific show_mem() in favor of the generic version. This also removes the following redundant information display: - free pages, printed by show_free_areas() - pages in slab, printed by show_free_areas() - free swap pages, printed by show_swap_cache_info() - pages in swapcache, printed by show_swap_cache_info() where show_mem() calls show_free_areas(), which calls show_swap_cache_info(). Signed-off-by: Johannes Weiner <hannes@saeurebad.de> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-26SL*B: drop kmem cache argument from constructorAlexey Dobriyan1-1/+1
Kmem cache passed to constructor is only needed for constructors that are themselves multiplexeres. Nobody uses this "feature", nor does anybody uses passed kmem cache in non-trivial way, so pass only pointer to object. Non-trivial places are: arch/powerpc/mm/init_64.c arch/powerpc/mm/hugetlbpage.c This is flag day, yes. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Christoph Lameter <cl@linux-foundation.org> Cc: Jon Tollefson <kniht@linux.vnet.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Matt Mackall <mpm@selenic.com> [akpm@linux-foundation.org: fix arch/powerpc/mm/hugetlbpage.c] [akpm@linux-foundation.org: fix mm/slab.c] [akpm@linux-foundation.org: fix ubifs] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-24bootmem: replace node_boot_start in struct bootmem_dataJohannes Weiner1-1/+1
Almost all users of this field need a PFN instead of a physical address, so replace node_boot_start with node_min_pfn. [Lee.Schermerhorn@hp.com: fix spurious BUG_ON() in mark_bootmem()] Signed-off-by: Johannes Weiner <hannes@saeureba.de> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-24hugetlb: introduce pud_hugeAndi Kleen1-0/+5
Straight forward extensions for huge pages located in the PUD instead of PMDs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-24hugetlb: modular state for hugetlb page sizeAndi Kleen1-1/+2
The goal of this patchset is to support multiple hugetlb page sizes. This is achieved by introducing a new struct hstate structure, which encapsulates the important hugetlb state and constants (eg. huge page size, number of huge pages currently allocated, etc). The hstate structure is then passed around the code which requires these fields, they will do the right thing regardless of the exact hstate they are operating on. This patch adds the hstate structure, with a single global instance of it (default_hstate), and does the basic work of converting hugetlb to use the hstate. Future patches will add more hstate structures to allow for different hugetlbfs mounts to have different page sizes. [akpm@linux-foundation.org: coding-style fixes] Acked-by: Adam Litke <agl@us.ibm.com> Acked-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-24mm: move bootmem descriptors definition to a single placeJohannes Weiner1-3/+2
There are a lot of places that define either a single bootmem descriptor or an array of them. Use only one central array with MAX_NUMNODES items instead. Signed-off-by: Johannes Weiner <hannes@saeurebad.de> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Tony Luck <tony.luck@intel.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Kyle McMartin <kyle@parisc-linux.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: David S. Miller <davem@davemloft.net> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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