On Fri, 22 Dec 2006 11:00:04 +0100
Martin Michlmayr <[email protected]> wrote:
> > - if (TestClearPageDirty(page) && account_size)
> > + if (TestClearPageDirty(page) && account_size) {
> > + dec_zone_page_state(page, NR_FILE_DIRTY);
> > task_io_account_cancelled_write(account_size);
> > + }
>
> This hunk (on top of git from about 2 days ago and your latest patch)
> results in the installer hanging right at the start.
You'll need this also:
From: Andrew Morton <[email protected]>
Only (un)account for IO and page-dirtying for devices which have real backing
store (ie: not tmpfs or ramdisks).
Cc: "David S. Miller" <[email protected]>
Cc: Linus Torvalds <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
mm/truncate.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN mm/truncate.c~truncate-dirty-memory-accounting-fix mm/truncate.c
--- a/mm/truncate.c~truncate-dirty-memory-accounting-fix
+++ a/mm/truncate.c
@@ -60,7 +60,8 @@ void cancel_dirty_page(struct page *page
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);
}
_
-
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