From: Dave McCracken <dmccr@us.ibm.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-mm@kvack.org
Subject: Re: shpte scheduling-inside-spinlock bug
Date: Tue, 31 Dec 2002 11:02:30 -0600 [thread overview]
Message-ID: <62480000.1041354150@[10.1.1.5]> (raw)
In-Reply-To: <3E0ECC02.6CEBD613@digeo.com>
--On Sunday, December 29, 2002 02:18:42 -0800 Andrew Morton
<akpm@digeo.com> wrote:
> We would like to not hold i_shared_lock across the zap_pte_range() call
> anyway, for scheduling latency reasons.
>
> But I suspect that i_shared_lock is the only thing which prevents the
> vma from disappearing while truncate is playing with it.
>
> umm... I think we can just turn i_shared_lock into a semaphore. Nests
> inside mmap_sem.
I've stared at this for a couple of days and don't see any better solution.
Dave McCracken
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prev parent reply other threads:[~2002-12-31 17:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-29 10:18 Andrew Morton
2002-12-29 11:11 ` Andrew Morton
2002-12-31 17:02 ` Dave McCracken [this message]
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