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mm: remove page_is_poisoned() from linux/mm.h

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When commit bd33ef3681 ("mm: enable page poisoning early at boot") got
rid of the PAGE_EXT_DEBUG_POISON, page_is_poisoned in the header left
behind.  This patch cleans up the leftovers under the table.

Link: http://lkml.kernel.org/r/1528101069-21637-1-git-send-email-kpark3469@gmail.com
Signed-off-by: Sahara <keun-o.park@darkmatter.ae>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Sahara 2018-06-07 17:09:48 -07:00 committed by Linus Torvalds
parent e81bf9793b
commit 72eb7de9c1
1 changed files with 0 additions and 2 deletions
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2
include/linux/mm.h
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@ -2532,12 +2532,10 @@ extern int apply_to_page_range(struct mm_struct *mm, unsigned long address,
#ifdef CONFIG_PAGE_POISONING
extern bool page_poisoning_enabled(void);
extern void kernel_poison_pages(struct page *page, int numpages, int enable);
extern bool page_is_poisoned(struct page *page);
#else
static inline bool page_poisoning_enabled(void) { return false; }
static inline void kernel_poison_pages(struct page *page, int numpages,
int enable) { }
static inline bool page_is_poisoned(struct page *page) { return false; }
#endif
#ifdef CONFIG_DEBUG_PAGEALLOC