diff options
| -rw-r--r-- | arch/x86/mm/pageattr.c | 6 | ||||
| -rw-r--r-- | include/linux/mm.h | 10 | ||||
| -rw-r--r-- | init/main.c | 5 | ||||
| -rw-r--r-- | mm/debug-pagealloc.c | 3 |
4 files changed, 0 insertions, 24 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index f9e526742fa1..5031eefa051f 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -1334,12 +1334,6 @@ void kernel_map_pages(struct page *page, int numpages, int enable) } /* - * If page allocator is not up yet then do not call c_p_a(): - */ - if (!debug_pagealloc_enabled) - return; - - /* * The return value is ignored as the calls cannot fail. * Large pages for identity mappings are not used at boot time * and hence no memory allocations during large page split. diff --git a/include/linux/mm.h b/include/linux/mm.h index 3dc3a8c2c485..0a22db144753 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1537,23 +1537,13 @@ static inline void vm_stat_account(struct mm_struct *mm, #endif /* CONFIG_PROC_FS */ #ifdef CONFIG_DEBUG_PAGEALLOC -extern int debug_pagealloc_enabled; - extern void kernel_map_pages(struct page *page, int numpages, int enable); - -static inline void enable_debug_pagealloc(void) -{ - debug_pagealloc_enabled = 1; -} #ifdef CONFIG_HIBERNATION extern bool kernel_page_present(struct page *page); #endif /* CONFIG_HIBERNATION */ #else static inline void kernel_map_pages(struct page *page, int numpages, int enable) {} -static inline void enable_debug_pagealloc(void) -{ -} #ifdef CONFIG_HIBERNATION static inline bool kernel_page_present(struct page *page) { return true; } #endif /* CONFIG_HIBERNATION */ diff --git a/init/main.c b/init/main.c index 217ed23e9487..99c4ba30ba7e 100644 --- a/init/main.c +++ b/init/main.c @@ -282,10 +282,6 @@ static int __init unknown_bootoption(char *param, char *val) return 0; } -#ifdef CONFIG_DEBUG_PAGEALLOC -int __read_mostly debug_pagealloc_enabled = 0; -#endif - static int __init init_setup(char *str) { unsigned int i; @@ -597,7 +593,6 @@ asmlinkage void __init start_kernel(void) } #endif page_cgroup_init(); - enable_debug_pagealloc(); debug_objects_mem_init(); kmemleak_init(); setup_per_cpu_pageset(); diff --git a/mm/debug-pagealloc.c b/mm/debug-pagealloc.c index 7cea557407f4..789ff70c8a4a 100644 --- a/mm/debug-pagealloc.c +++ b/mm/debug-pagealloc.c @@ -95,9 +95,6 @@ static void unpoison_pages(struct page *page, int n) void kernel_map_pages(struct page *page, int numpages, int enable) { - if (!debug_pagealloc_enabled) - return; - if (enable) unpoison_pages(page, numpages); else |