Messages in this thread Patch in this message | | | Date | Mon, 31 Aug 2009 19:04:19 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [PATCH 3/8][mmotm] kcore register vmalloc area in generic way |
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From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
For /proc/kcore, vmalloc areas are registered per arch. But, all of them registers same range of [VMALLOC_START...VMALLOC_END) This patch unifies them. By this. archs which have no kclist_add() hooks can see vmalloc area correctly.
Changelog: - fixed unexpected change which breaks bisection.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> ---
arch/ia64/mm/init.c | 4 +--- arch/mips/mm/init.c | 4 +--- arch/powerpc/mm/init_32.c | 4 ---- arch/powerpc/mm/init_64.c | 4 ---- arch/sh/mm/init.c | 4 +--- arch/x86/mm/init_32.c | 4 +--- arch/x86/mm/init_64.c | 4 +--- fs/proc/kcore.c | 5 +++++ 8 files changed, 10 insertions(+), 23 deletions(-)
Index: mmotm-2.6.31-Aug27/arch/ia64/mm/init.c =================================================================== --- mmotm-2.6.31-Aug27.orig/arch/ia64/mm/init.c +++ mmotm-2.6.31-Aug27/arch/ia64/mm/init.c @@ -617,7 +617,7 @@ mem_init (void) long reserved_pages, codesize, datasize, initsize; pg_data_t *pgdat; int i; - static struct kcore_list kcore_mem, kcore_vmem, kcore_kernel; + static struct kcore_list kcore_mem, kcore_kernel; BUG_ON(PTRS_PER_PGD * sizeof(pgd_t) != PAGE_SIZE); BUG_ON(PTRS_PER_PMD * sizeof(pmd_t) != PAGE_SIZE); @@ -640,8 +640,6 @@ mem_init (void) high_memory = __va(max_low_pfn * PAGE_SIZE); kclist_add(&kcore_mem, __va(0), max_low_pfn * PAGE_SIZE, KCORE_RAM); - kclist_add(&kcore_vmem, (void *)VMALLOC_START, - VMALLOC_END-VMALLOC_START, KCORE_VMALLOC); kclist_add(&kcore_kernel, _stext, _end - _stext, KCORE_TEXT); for_each_online_pgdat(pgdat) Index: mmotm-2.6.31-Aug27/arch/mips/mm/init.c =================================================================== --- mmotm-2.6.31-Aug27.orig/arch/mips/mm/init.c +++ mmotm-2.6.31-Aug27/arch/mips/mm/init.c @@ -352,7 +352,7 @@ void __init paging_init(void) free_area_init_nodes(max_zone_pfns); } -static struct kcore_list kcore_mem, kcore_vmalloc; +static struct kcore_list kcore_mem; #ifdef CONFIG_64BIT static struct kcore_list kcore_kseg0; #endif @@ -413,8 +413,6 @@ void __init mem_init(void) 0x80000000 - 4, KCORE_TEXT); #endif kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT, KCORE_RAM); - kclist_add(&kcore_vmalloc, (void *)VMALLOC_START, - VMALLOC_END-VMALLOC_START, KCORE_VMALLOC); printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, " "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n", Index: mmotm-2.6.31-Aug27/arch/powerpc/mm/init_32.c =================================================================== --- mmotm-2.6.31-Aug27.orig/arch/powerpc/mm/init_32.c +++ mmotm-2.6.31-Aug27/arch/powerpc/mm/init_32.c @@ -243,7 +243,6 @@ void free_initrd_mem(unsigned long start #endif #ifdef CONFIG_PROC_KCORE -static struct kcore_list kcore_vmem; static int __init setup_kcore(void) { @@ -271,9 +270,6 @@ static int __init setup_kcore(void) kclist_add(kcore_mem, __va(base), size, KCORE_RAM); } - kclist_add(&kcore_vmem, (void *)VMALLOC_START, - VMALLOC_END-VMALLOC_START, KCORE_VMALLOC); - return 0; } module_init(setup_kcore); Index: mmotm-2.6.31-Aug27/arch/powerpc/mm/init_64.c =================================================================== --- mmotm-2.6.31-Aug27.orig/arch/powerpc/mm/init_64.c +++ mmotm-2.6.31-Aug27/arch/powerpc/mm/init_64.c @@ -110,7 +110,6 @@ void free_initrd_mem(unsigned long start #endif #ifdef CONFIG_PROC_KCORE -static struct kcore_list kcore_vmem; static int __init setup_kcore(void) { @@ -131,9 +130,6 @@ static int __init setup_kcore(void) kclist_add(kcore_mem, __va(base), size, KCORE_RAM); } - kclist_add(&kcore_vmem, (void *)VMALLOC_START, - VMALLOC_END-VMALLOC_START, KCORE_VMALLOC); - return 0; } module_init(setup_kcore); Index: mmotm-2.6.31-Aug27/arch/sh/mm/init.c =================================================================== --- mmotm-2.6.31-Aug27.orig/arch/sh/mm/init.c +++ mmotm-2.6.31-Aug27/arch/sh/mm/init.c @@ -181,7 +181,7 @@ void __init paging_init(void) set_fixmap_nocache(FIX_UNCACHED, __pa(&__uncached_start)); } -static struct kcore_list kcore_mem, kcore_vmalloc; +static struct kcore_list kcore_mem; void __init mem_init(void) { @@ -219,8 +219,6 @@ void __init mem_init(void) initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT, KCORE_RAM); - kclist_add(&kcore_vmalloc, (void *)VMALLOC_START, - VMALLOC_END - VMALLOC_START, KCORE_VMALLOC); printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, " "%dk data, %dk init)\n", Index: mmotm-2.6.31-Aug27/arch/x86/mm/init_32.c =================================================================== --- mmotm-2.6.31-Aug27.orig/arch/x86/mm/init_32.c +++ mmotm-2.6.31-Aug27/arch/x86/mm/init_32.c @@ -857,7 +857,7 @@ static void __init test_wp_bit(void) } } -static struct kcore_list kcore_mem, kcore_vmalloc; +static struct kcore_list kcore_mem; void __init mem_init(void) { @@ -887,8 +887,6 @@ void __init mem_init(void) initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT, KCORE_RAM); - kclist_add(&kcore_vmalloc, (void *)VMALLOC_START, - VMALLOC_END-VMALLOC_START, KCORE_VMALLOC); printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, " "%dk reserved, %dk data, %dk init, %ldk highmem)\n", Index: mmotm-2.6.31-Aug27/arch/x86/mm/init_64.c =================================================================== --- mmotm-2.6.31-Aug27.orig/arch/x86/mm/init_64.c +++ mmotm-2.6.31-Aug27/arch/x86/mm/init_64.c @@ -647,7 +647,7 @@ EXPORT_SYMBOL_GPL(memory_add_physaddr_to #endif /* CONFIG_MEMORY_HOTPLUG */ -static struct kcore_list kcore_mem, kcore_vmalloc, kcore_kernel, +static struct kcore_list kcore_mem, kcore_kernel, kcore_modules, kcore_vsyscall; void __init mem_init(void) @@ -678,8 +678,6 @@ void __init mem_init(void) /* Register memory areas for /proc/kcore */ kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT, KCORE_RAM); - kclist_add(&kcore_vmalloc, (void *)VMALLOC_START, - VMALLOC_END-VMALLOC_START, KCORE_VMALLOC); kclist_add(&kcore_kernel, &_stext, _end - _stext, KCORE_TEXT); kclist_add(&kcore_modules, (void *)MODULES_VADDR, MODULES_LEN, KCORE_OTHER); Index: mmotm-2.6.31-Aug27/fs/proc/kcore.c =================================================================== --- mmotm-2.6.31-Aug27.orig/fs/proc/kcore.c +++ mmotm-2.6.31-Aug27/fs/proc/kcore.c @@ -372,9 +372,14 @@ read_kcore(struct file *file, char __use return acc; } +static struct kcore_list kcore_vmalloc; + static int __init proc_kcore_init(void) { proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations); + + kclist_add(&kcore_vmalloc, (void *)VMALLOC_START, + VMALLOC_END - VMALLOC_START, KCORE_VMALLOC); return 0; } module_init(proc_kcore_init);
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