diff options
Diffstat (limited to 'arch/tile')
-rw-r--r-- | arch/tile/include/asm/pgtable.h | 3 | ||||
-rw-r--r-- | arch/tile/include/asm/processor.h | 2 | ||||
-rw-r--r-- | arch/tile/include/asm/sections.h | 2 | ||||
-rw-r--r-- | arch/tile/include/asm/uaccess.h | 2 | ||||
-rw-r--r-- | arch/tile/kernel/setup.c | 20 | ||||
-rw-r--r-- | arch/tile/kernel/stack.c | 2 | ||||
-rw-r--r-- | arch/tile/kernel/vmlinux.lds.S | 4 | ||||
-rw-r--r-- | arch/tile/mm/init.c | 26 |
8 files changed, 22 insertions, 39 deletions
diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h index 73b1a4c9ad03..33587f16c152 100644 --- a/arch/tile/include/asm/pgtable.h +++ b/arch/tile/include/asm/pgtable.h @@ -362,9 +362,6 @@ do { \ #define kern_addr_valid(addr) (1) #endif /* CONFIG_FLATMEM */ -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - extern void vmalloc_sync_all(void); #endif /* !__ASSEMBLY__ */ diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h index 2b70dfb1442e..b3f104953da2 100644 --- a/arch/tile/include/asm/processor.h +++ b/arch/tile/include/asm/processor.h @@ -225,7 +225,7 @@ extern int do_work_pending(struct pt_regs *regs, u32 flags); /* * Return saved (kernel) PC of a blocked thread. - * Only used in a printk() in kernel/sched.c, so don't work too hard. + * Only used in a printk() in kernel/sched/core.c, so don't work too hard. */ #define thread_saved_pc(t) ((t)->thread.pc) diff --git a/arch/tile/include/asm/sections.h b/arch/tile/include/asm/sections.h index d062d463fca9..7d8a935a9238 100644 --- a/arch/tile/include/asm/sections.h +++ b/arch/tile/include/asm/sections.h @@ -34,7 +34,7 @@ extern char __sys_cmpxchg_grab_lock[]; extern char __start_atomic_asm_code[], __end_atomic_asm_code[]; #endif -/* Handle the discontiguity between _sdata and _stext. */ +/* Handle the discontiguity between _sdata and _text. */ static inline int arch_is_kernel_data(unsigned long addr) { return addr >= (unsigned long)_sdata && diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h index 8a082bc6bca5..e4d44bd7df27 100644 --- a/arch/tile/include/asm/uaccess.h +++ b/arch/tile/include/asm/uaccess.h @@ -442,7 +442,7 @@ extern unsigned long __copy_in_user_inatomic( static inline unsigned long __must_check __copy_in_user(void __user *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); return __copy_in_user_inatomic(to, from, n); } diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 7a5aa1a7864e..68b542677f6a 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -307,8 +307,8 @@ static void __cpuinit store_permanent_mappings(void) hv_store_mapping(addr, pages << PAGE_SHIFT, pa); } - hv_store_mapping((HV_VirtAddr)_stext, - (uint32_t)(_einittext - _stext), 0); + hv_store_mapping((HV_VirtAddr)_text, + (uint32_t)(_einittext - _text), 0); } /* @@ -329,6 +329,7 @@ static void __init setup_memory(void) #if defined(CONFIG_HIGHMEM) || defined(__tilegx__) long lowmem_pages; #endif + unsigned long physpages = 0; /* We are using a char to hold the cpu_2_node[] mapping */ BUILD_BUG_ON(MAX_NUMNODES > 127); @@ -388,8 +389,8 @@ static void __init setup_memory(void) continue; } } - if (num_physpages + PFN_DOWN(range.size) > maxmem_pfn) { - int max_size = maxmem_pfn - num_physpages; + if (physpages + PFN_DOWN(range.size) > maxmem_pfn) { + int max_size = maxmem_pfn - physpages; if (max_size > 0) { pr_err("Maxmem reduced node %d to %d pages\n", i, max_size); @@ -446,7 +447,7 @@ static void __init setup_memory(void) node_start_pfn[i] = start; node_end_pfn[i] = end; node_controller[i] = range.controller; - num_physpages += size; + physpages += size; max_pfn = end; /* Mark node as online */ @@ -465,7 +466,7 @@ static void __init setup_memory(void) * we're willing to use at 8 million pages (32GB of 4KB pages). */ cap = 8 * 1024 * 1024; /* 8 million pages */ - if (num_physpages > cap) { + if (physpages > cap) { int num_nodes = num_online_nodes(); int cap_each = cap / num_nodes; unsigned long dropped_pages = 0; @@ -476,10 +477,10 @@ static void __init setup_memory(void) node_end_pfn[i] = node_start_pfn[i] + cap_each; } } - num_physpages -= dropped_pages; + physpages -= dropped_pages; pr_warning("Only using %ldMB memory;" " ignoring %ldMB.\n", - num_physpages >> (20 - PAGE_SHIFT), + physpages >> (20 - PAGE_SHIFT), dropped_pages >> (20 - PAGE_SHIFT)); pr_warning("Consider using a larger page size.\n"); } @@ -497,7 +498,7 @@ static void __init setup_memory(void) lowmem_pages = (mappable_physpages > MAXMEM_PFN) ? MAXMEM_PFN : mappable_physpages; - highmem_pages = (long) (num_physpages - lowmem_pages); + highmem_pages = (long) (physpages - lowmem_pages); pr_notice("%ldMB HIGHMEM available.\n", pages_to_mb(highmem_pages > 0 ? highmem_pages : 0)); @@ -514,7 +515,6 @@ static void __init setup_memory(void) pr_warning("Use a HIGHMEM enabled kernel.\n"); max_low_pfn = MAXMEM_PFN; max_pfn = MAXMEM_PFN; - num_physpages = MAXMEM_PFN; node_end_pfn[0] = MAXMEM_PFN; } else { pr_notice("%ldMB memory available.\n", diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c index ed258b8ae320..af8dfc9665f6 100644 --- a/arch/tile/kernel/stack.c +++ b/arch/tile/kernel/stack.c @@ -442,7 +442,7 @@ void _KBacktraceIterator_init_current(struct KBacktraceIterator *kbt, ulong pc, regs_to_pt_regs(®s, pc, lr, sp, r52)); } -/* This is called only from kernel/sched.c, with esp == NULL */ +/* This is called only from kernel/sched/core.c, with esp == NULL */ void show_stack(struct task_struct *task, unsigned long *esp) { struct KBacktraceIterator kbt; diff --git a/arch/tile/kernel/vmlinux.lds.S b/arch/tile/kernel/vmlinux.lds.S index 631f10de12fe..a13ed902afbb 100644 --- a/arch/tile/kernel/vmlinux.lds.S +++ b/arch/tile/kernel/vmlinux.lds.S @@ -27,7 +27,6 @@ SECTIONS .intrpt1 (LOAD_OFFSET) : AT ( 0 ) /* put at the start of physical memory */ { _text = .; - _stext = .; *(.intrpt1) } :intrpt1 =0 @@ -36,6 +35,7 @@ SECTIONS /* Now the real code */ . = ALIGN(0x20000); + _stext = .; .text : AT (ADDR(.text) - LOAD_OFFSET) { HEAD_TEXT SCHED_TEXT @@ -58,11 +58,13 @@ SECTIONS #define LOAD_OFFSET PAGE_OFFSET . = ALIGN(PAGE_SIZE); + __init_begin = .; VMLINUX_SYMBOL(_sinitdata) = .; INIT_DATA_SECTION(16) :data =0 PERCPU_SECTION(L2_CACHE_BYTES) . = ALIGN(PAGE_SIZE); VMLINUX_SYMBOL(_einitdata) = .; + __init_end = .; _sdata = .; /* Start of data section */ diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index 2749515a0547..e182958c707d 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c @@ -562,7 +562,7 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) prot = ktext_set_nocache(prot); } - BUG_ON(address != (unsigned long)_stext); + BUG_ON(address != (unsigned long)_text); pte = NULL; for (; address < (unsigned long)_einittext; pfn++, address += PAGE_SIZE) { @@ -720,7 +720,7 @@ static void __init init_free_pfn_range(unsigned long start, unsigned long end) } init_page_count(page); __free_pages(page, order); - totalram_pages += count; + adjust_managed_page_count(page, count); page += count; pfn += count; @@ -821,7 +821,6 @@ static void __init set_max_mapnr_init(void) void __init mem_init(void) { - int codesize, datasize, initsize; int i; #ifndef __tilegx__ void *last; @@ -846,26 +845,14 @@ void __init mem_init(void) set_max_mapnr_init(); /* this will put all bootmem onto the freelists */ - totalram_pages += free_all_bootmem(); + free_all_bootmem(); #ifndef CONFIG_64BIT /* count all remaining LOWMEM and give all HIGHMEM to page allocator */ set_non_bootmem_pages_init(); #endif - codesize = (unsigned long)&_etext - (unsigned long)&_text; - datasize = (unsigned long)&_end - (unsigned long)&_sdata; - initsize = (unsigned long)&_einittext - (unsigned long)&_sinittext; - initsize += (unsigned long)&_einitdata - (unsigned long)&_sinitdata; - - pr_info("Memory: %luk/%luk available (%dk kernel code, %dk data, %dk init, %ldk highmem)\n", - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), - num_physpages << (PAGE_SHIFT-10), - codesize >> 10, - datasize >> 10, - initsize >> 10, - (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)) - ); + mem_init_print_info(NULL); /* * In debug mode, dump some interesting memory mappings. @@ -1024,16 +1011,13 @@ static void free_init_pages(char *what, unsigned long begin, unsigned long end) pte_clear(&init_mm, addr, ptep); continue; } - __ClearPageReserved(page); - init_page_count(page); if (pte_huge(*ptep)) BUG_ON(!kdata_huge); else set_pte_at(&init_mm, addr, ptep, pfn_pte(pfn, PAGE_KERNEL)); memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE); - free_page(addr); - totalram_pages++; + free_reserved_page(page); } pr_info("Freeing %s: %ldk freed\n", what, (end - begin) >> 10); } |