A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 11:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

HWPOISON: detect free buddy pages explicitly

Browse source 
Most free pages in the buddy system have no PG_buddy set.
Introduce is_free_buddy_page() for detecting them reliably.

CC: Nick Piggin <[email protected]>
CC: Mel Gorman <[email protected]>
Signed-off-by: Wu Fengguang <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
This commit is contained in:
Wu Fengguang 2009-12-16 12:19:58 +01:00 • committed by Andi Kleen
commit 8d22ba1b74
3 changed files with 31 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

3
mm/internal.h
View file

@ -50,6 +50,9 @@ extern void putback_lru_page(struct page *page);
*/
extern void __free_pages_bootmem(struct page *page, unsigned int order);
extern void prep_compound_page(struct page *page, unsigned long order);
#ifdef CONFIG_MEMORY_FAILURE
extern bool is_free_buddy_page(struct page *page);
#endif
/*