* [PATCH] mm: clean up page_is_poisoned in linux/mm.h
@ 2018-06-03 8:22 kpark3469
2018-06-04 6:46 ` Michal Hocko
0 siblings, 1 reply; 2+ messages in thread
From: kpark3469 @ 2018-06-03 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: akpm, dan.j.williams, mhocko, vinmenon, jack, Sahara
From: Sahara <keun-o.park@darkmatter.ae>
When bd33ef36("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.
Signed-off-by: Sahara <keun-o.park@darkmatter.ae>
---
include/linux/mm.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index c6fa9a2..a53b0ad 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2522,12 +2522,10 @@ 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
--
2.7.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] mm: clean up page_is_poisoned in linux/mm.h
2018-06-03 8:22 [PATCH] mm: clean up page_is_poisoned in linux/mm.h kpark3469
@ 2018-06-04 6:46 ` Michal Hocko
0 siblings, 0 replies; 2+ messages in thread
From: Michal Hocko @ 2018-06-04 6:46 UTC (permalink / raw)
To: kpark3469; +Cc: linux-kernel, akpm, dan.j.williams, vinmenon, jack, Sahara
On Sun 03-06-18 12:22:18, kpark3469@gmail.com wrote:
> From: Sahara <keun-o.park@darkmatter.ae>
>
> When bd33ef36("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.
Acked-by: Michal Hocko <mhocko@suse.com>
Btw. we tend to use abbrev = 12 for sha1 references.
> Signed-off-by: Sahara <keun-o.park@darkmatter.ae>
> ---
> include/linux/mm.h | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index c6fa9a2..a53b0ad 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2522,12 +2522,10 @@ 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
> --
> 2.7.4
--
Michal Hocko
SUSE Labs
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2018-06-04 6:46 ` Michal Hocko
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