GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

[PATCH] convert s390 page handling macros to functions

Browse source 
Convert s390 page handling macros to functions.  In particular this fixes a
problem with s390's SetPageUptodate macro which uses its input parameter
twice which again can cause subtle bugs.

[akpm@osdl.org: build fix]
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens 2006-09-29 01:58:41 -07:00 • committed by Linus Torvalds
parent d1807793e1
commit 2dcea57ae1
3 changed files with 46 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

11
include/linux/page-flags.h
View file

@ -128,12 +128,11 @@
#define PageUptodate(page) test_bit(PG_uptodate, &(page)->flags)
#ifdef CONFIG_S390
#define SetPageUptodate(_page) \
do { \
struct page *__page = (_page); \
if (!test_and_set_bit(PG_uptodate, &__page->flags)) \
page_test_and_clear_dirty(_page); \
} while (0)
static inline void SetPageUptodate(struct page *page)
{
if (!test_and_set_bit(PG_uptodate, &page->flags))
page_test_and_clear_dirty(page);
}
#else
#define SetPageUptodate(page) set_bit(PG_uptodate, &(page)->flags)
#endif