redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

[PATCH] mm: remove atomic

Browse source 
This bitop does not need to be atomic because it is performed when there will
be no references to the page (ie.  the page is being freed).

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Nick Piggin 2005-09-03 15:54:50 -07:00 committed by Linus Torvalds
parent 9a61c349b2
commit 242e546862
2 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
include/linux/page-flags.h
View file

@ -194,6 +194,7 @@ extern void __mod_page_state(unsigned long offset, unsigned long delta);
#define SetPageDirty(page) set_bit(PG_dirty, &(page)->flags)
#define TestSetPageDirty(page) test_and_set_bit(PG_dirty, &(page)->flags)
#define ClearPageDirty(page) clear_bit(PG_dirty, &(page)->flags)
#define __ClearPageDirty(page) __clear_bit(PG_dirty, &(page)->flags)
#define TestClearPageDirty(page) test_and_clear_bit(PG_dirty, &(page)->flags)
#define SetPageLRU(page) set_bit(PG_lru, &(page)->flags)

2
mm/page_alloc.c
View file

@ -329,7 +329,7 @@ static inline void free_pages_check(const char *function, struct page *page)
1 << PG_writeback )))
bad_page(function, page);
if (PageDirty(page))
ClearPageDirty(page);
__ClearPageDirty(page);
}
/*