diff options
| author | Mike Rapoport <rppt@linux.vnet.ibm.com> | 2018-10-31 01:07:44 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-31 18:54:15 +0300 |
| commit | aca52c39838910605b1063a2243f553aa2a02d5c (patch) | |
| tree | 4b878e206fd30fb9033bb234e35b7fcae4352c6c /mm | |
| parent | b4a991ec584b3ce333342c431c3cc4fef8a690d7 (diff) | |
| download | linux-aca52c39838910605b1063a2243f553aa2a02d5c.tar.xz | |
mm: remove CONFIG_HAVE_MEMBLOCK
All architecures use memblock for early memory management. There is no need
for the CONFIG_HAVE_MEMBLOCK configuration option.
[rppt@linux.vnet.ibm.com: of/fdt: fixup #ifdefs]
Link: http://lkml.kernel.org/r/20180919103457.GA20545@rapoport-lnx
[rppt@linux.vnet.ibm.com: csky: fixups after bootmem removal]
Link: http://lkml.kernel.org/r/20180926112744.GC4628@rapoport-lnx
[rppt@linux.vnet.ibm.com: remove stale #else and the code it protects]
Link: http://lkml.kernel.org/r/1538067825-24835-1-git-send-email-rppt@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/1536927045-23536-4-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Tested-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Serge Semin <fancer.lancer@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Kconfig | 5 | ||||
| -rw-r--r-- | mm/Makefile | 2 | ||||
| -rw-r--r-- | mm/nobootmem.c | 4 | ||||
| -rw-r--r-- | mm/page_alloc.c | 5 |
4 files changed, 4 insertions, 12 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index f7cb608f9ab2..d85e39da47ae 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -127,9 +127,6 @@ config SPARSEMEM_VMEMMAP pfn_to_page and page_to_pfn operations. This is the most efficient option when sufficient kernel resources are available. -config HAVE_MEMBLOCK - bool - config HAVE_MEMBLOCK_NODE_MAP bool @@ -478,7 +475,7 @@ config FRONTSWAP config CMA bool "Contiguous Memory Allocator" - depends on HAVE_MEMBLOCK && MMU + depends on MMU select MIGRATION select MEMORY_ISOLATION help diff --git a/mm/Makefile b/mm/Makefile index ea5333886593..ca3c844d7a56 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -43,11 +43,11 @@ obj-y := filemap.o mempool.o oom_kill.o fadvise.o \ obj-y += init-mm.o obj-y += nobootmem.o +obj-y += memblock.o ifdef CONFIG_MMU obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o endif -obj-$(CONFIG_HAVE_MEMBLOCK) += memblock.o obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o swap_slots.o obj-$(CONFIG_FRONTSWAP) += frontswap.o diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 439af3b765a7..d4d0cd474087 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -23,10 +23,6 @@ #include "internal.h" -#ifndef CONFIG_HAVE_MEMBLOCK -#error CONFIG_HAVE_MEMBLOCK not defined -#endif - #ifndef CONFIG_NEED_MULTIPLE_NODES struct pglist_data __refdata contig_page_data; EXPORT_SYMBOL(contig_page_data); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 863d46da6586..59d171f84445 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6508,8 +6508,7 @@ void __init free_area_init_node(int nid, unsigned long *zones_size, free_area_init_core(pgdat); } -#if defined(CONFIG_HAVE_MEMBLOCK) && !defined(CONFIG_FLAT_NODE_MEM_MAP) - +#if !defined(CONFIG_FLAT_NODE_MEM_MAP) /* * Zero all valid struct pages in range [spfn, epfn), return number of struct * pages zeroed @@ -6569,7 +6568,7 @@ void __init zero_resv_unavail(void) if (pgcnt) pr_info("Zeroed struct page in unavailable ranges: %lld pages", pgcnt); } -#endif /* CONFIG_HAVE_MEMBLOCK && !CONFIG_FLAT_NODE_MEM_MAP */ +#endif /* !CONFIG_FLAT_NODE_MEM_MAP */ #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP |