linux-kernel - Re: [PATCH 06/33] mm: allow PF

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Message-Id: <200710311451.56747.nickpiggin@yahoo.com.au>
Date:	Wed, 31 Oct 2007 14:51:56 +1100
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	netdev@...r.kernel.org, trond.myklebust@....uio.no
Subject: Re: [PATCH 06/33] mm: allow PF_MEMALLOC from softirq context

On Wednesday 31 October 2007 03:04, Peter Zijlstra wrote:
> Allow PF_MEMALLOC to be set in softirq context. When running softirqs from
> a borrowed context save current->flags, ksoftirqd will have its own
> task_struct.


What's this for? Why would ksoftirqd pick up PF_MEMALLOC? (I guess
that some networking thing must be picking it up in a subsequent patch,
but I'm too lazy to look!)... Again, can you have more of a rationale in
your patch headers, or ref the patch that uses it... thanks

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