netdev - Re: [Bugme-new] [Bug 10318] New: WARNING: at arch/x86/mm/highmem_32.c:43 kmap_atomic

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Message-ID: <Pine.LNX.4.64.0803251159500.17356@schroedinger.engr.sgi.com>
Date:	Tue, 25 Mar 2008 12:01:37 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Eric Dumazet <dada1@...mosbay.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>, netdev@...r.kernel.org,
	bugme-daemon@...zilla.kernel.org, pstaszewski@...com.pl,
	linux-mm@...ck.org, Ingo Molnar <mingo@...e.hu>
Subject: Re: [Bugme-new] [Bug 10318] New: WARNING: at arch/x86/mm/highmem_32.c:43
 kmap_atomic_prot+0x87/0x184()

On Tue, 25 Mar 2008, Eric Dumazet wrote:

> If kzalloc() or __get_free_pages(__GFP_ZERO) is not allowed from softirq then
> many usages are illegal.

There is clearly no problem for GFP_KERNEL. The only issue could arise for 
GFP_HIGHMEM|__GFP_ZERO. I thought we had dealt with these false positives 
a while back?

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