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| author | Wu Fengguang <wfg@mail.ustc.edu.cn> | 2006-03-22 00:08:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 07:54:00 -0800 |
| commit | c9b02d970c385a253edb36c87643b0df706b50b4 (patch) | |
| tree | 0e1990c1ced842a923221b36ee1546bf9aac8509 /mm/vmscan.c | |
| parent | 7fb2d46d396b2491818f8e43b01049b3234e6c07 (diff) | |
| download | lwn-c9b02d970c385a253edb36c87643b0df706b50b4.tar.gz lwn-c9b02d970c385a253edb36c87643b0df706b50b4.zip | |
[PATCH] mm: isolate_lru_pages() scan count fix
In isolate_lru_pages(), *scanned reports one more scan because the scan
counter is increased one more time on exit of the while-loop.
Change the while-loop to for-loop to fix it.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Wu Fengguang <wfg@mail.ustc.edu.cn>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index c712b946e4ff..85e95f445022 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1074,9 +1074,9 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan, { unsigned long nr_taken = 0; struct page *page; - unsigned long scan = 0; + unsigned long scan; - while (scan++ < nr_to_scan && !list_empty(src)) { + for (scan = 0; scan < nr_to_scan && !list_empty(src); scan++) { struct list_head *target; page = lru_to_page(src); prefetchw_prev_lru_page(page, src, flags); |