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From: Andrew Morton <akpm@linux-foundation.org>
To: Minchan Kim <minchan@kernel.org>
Cc: David Rientjes <rientjes@google.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Nick Piggin <npiggin@gmail.com>, Ingo Molnar <mingo@redhat.com>,
	x86@kernel.org, Hugh Dickins <hughd@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC] propagate gfp_t to page table alloc functions
Date: Thu, 26 Apr 2012 20:08:45 -0700	[thread overview]
Message-ID: <20120426200845.69915594.akpm@linux-foundation.org> (raw)
In-Reply-To: <4F9A0360.3030900@kernel.org>

On Fri, 27 Apr 2012 11:24:32 +0900 Minchan Kim <minchan@kernel.org> wrote:

> I was about to add warning in __vmalloc internal if caller uses GFP_NOIO, GFP_NOFS, GFP_ATOMIC
> with Nick's comment and let them make to fix it. But it seems Andrew doesn't agree.

I do, actually.

> Andrew, please tell me your opinion for fixing this problem.

Only call vmalloc() from GFP_KERNEL contexts.  Go ahead, add the
WARN_ONCE() and let's see what happens.

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  reply	other threads:[~2012-04-27  3:06 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-23  8:55 [RFC] propagate gfp_t to page table alloc functions Minchan Kim
2012-04-24  5:16 ` KAMEZAWA Hiroyuki
2012-04-24  5:35   ` Minchan Kim
2012-04-24  6:13     ` Nick Piggin
2012-04-24  7:19       ` Minchan Kim
2012-04-24  7:48         ` Nick Piggin
2012-04-24  8:01           ` Minchan Kim
2012-04-24  8:05             ` Nick Piggin
2012-04-24 21:30           ` Andrew Morton
2012-04-24 23:49             ` KAMEZAWA Hiroyuki
2012-04-24 23:55               ` KOSAKI Motohiro
2012-04-25  0:05                 ` KAMEZAWA Hiroyuki
2012-04-25  0:25                   ` Andrew Morton
2012-04-26  0:05                     ` KAMEZAWA Hiroyuki
2012-04-26  0:20                       ` David Rientjes
2012-04-27  2:24                         ` Minchan Kim
2012-04-27  3:08                           ` Andrew Morton [this message]
2012-04-27 10:43                           ` David Rientjes
2012-04-30  1:25                             ` Minchan Kim
2012-05-01  7:20             ` Nick Piggin

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