diff options
| author | Andrew Morton <akpm@osdl.org> | 2006-12-22 01:04:48 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-22 08:55:45 -0800 |
| commit | 5f2a105d5e33a038a717995d2738434f9c25aed2 (patch) | |
| tree | 4d72272dfaa5eb00f96ff895ca72bdfd97fa4bdc /mm/truncate.c | |
| parent | bb4067e34159648d394943d5e2a011f838bff22f (diff) | |
| download | lwn-5f2a105d5e33a038a717995d2738434f9c25aed2.tar.gz lwn-5f2a105d5e33a038a717995d2738434f9c25aed2.zip | |
[PATCH] truncate: dirty memory accounting fix
Only (un)account for IO and page-dirtying for devices which have real backing
store (ie: not tmpfs or ramdisks).
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/truncate.c')
| -rw-r--r-- | mm/truncate.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index 89a5c359b6e8..4a38dd1a4ce8 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -60,7 +60,8 @@ void cancel_dirty_page(struct page *page, unsigned int account_size) WARN_ON(++warncount < 5); } - if (TestClearPageDirty(page) && account_size) { + if (TestClearPageDirty(page) && account_size && + mapping_cap_account_dirty(page->mapping)) { dec_zone_page_state(page, NR_FILE_DIRTY); task_io_account_cancelled_write(account_size); } |