From: Sahara <keun-o.park@xxxxxxxxxxxxx>
Subject: mm: remove page_is_poisoned() from linux/mm.h
When bd33ef368135("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@xxxxxxxxx
Signed-off-by: Sahara <keun-o.park@xxxxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 2 --
1 file changed, 2 deletions(-)
diff -puN include/linux/mm.h~mm-clean-up-page_is_poisoned-in-linux-mmh include/linux/mm.h
--- a/include/linux/mm.h~mm-clean-up-page_is_poisoned-in-linux-mmh
+++ a/include/linux/mm.h
@@ -2532,12 +2532,10 @@ extern int apply_to_page_range(struct mm
#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
_
--
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