From: Rik van Riel <riel@conectiva.com.br>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: linux-mm@kvack.org
Subject: Re: [PATCH] modified memory_pressure calculation
Date: Sun, 27 May 2001 14:51:30 -0300 (BRST) [thread overview]
Message-ID: <Pine.LNX.4.21.0105271451120.1907-100000@imladris.rielhome.conectiva> (raw)
In-Reply-To: <3B113CFB.B1ABAE0A@colorfullife.com>
On Sun, 27 May 2001, Manfred Spraul wrote:
> > if (z->free_pages < z->pages_min / 4 &&
> > - !(current->flags & PF_MEMALLOC))
> > + (in_interrupt() || !(current->flags & PF_MEMALLOC)))
> > continue;
>
> It's 'if (in_interrupt()) continue', not 'if (in_interrupt()) alloc'.
> Currently a network card can allocate the last few pages if the
> interrupt occurs in the context of the PF_MEMALLOC thread. I think
> PF_MEMALLOC memory should never be available to interrupt handlers.
You're right, my mistake.
Rik
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next prev parent reply other threads:[~2001-05-27 17:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-27 12:30 Manfred Spraul
2001-05-27 15:58 ` Rik van Riel
2001-05-27 17:44 ` Manfred Spraul
2001-05-27 17:51 ` Rik van Riel [this message]
2001-05-27 18:24 ` Manfred Spraul
2001-05-27 18:40 ` Rik van Riel
2001-05-28 17:29 ` Marcelo Tosatti
2001-05-28 19:20 ` Manfred Spraul
2001-05-28 18:07 ` Marcelo Tosatti
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