[Bugme-janitors] [Bug 9182] Critical memory leak (dirty pages)
bugme-daemon at bugzilla.kernel.org
bugme-daemon at bugzilla.kernel.org
Wed Dec 19 12:25:37 PST 2007
http://bugzilla.kernel.org/show_bug.cgi?id=9182
------- Comment #55 from mingo at elte.hu 2007-12-19 12:25 -------
* Linus Torvalds <torvalds at linux-foundation.org> wrote:
> Anyway, I think the fixups I added to __remove_from_page_cache() seem
> to continually become a better idea, considering that we let the
> filesystem mess around with the page in between, and if the filesystem
> messes with the dirty bits, it really means that the VM shouldn't just
> rely on it remaining clean.
might make sense to make the printout dependent on CONFIG_DEBUG_VM and
turn it into a simple WARN_ON_ONCE(). That way we could map the range of
filesystems that are affected by this, without inconveniencing users.
(and could then decide whether the VM wants to tolerate this or not.)
[ or perhaps make it a single, unconditional WARN_ON_ONCE() in 2.6.24.0,
kerneloops.org would then pick it up and we'd have the info. ]
Ingo
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