netdev - Re: [PATCH 11/30] mm: __GFP

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Message-Id: <20080725180305.86A9.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Fri, 25 Jul 2008 18:29:04 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	kosaki.motohiro@...fujitsu.com,
	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,
	Daniel Lezcano <dlezcano@...ibm.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Neil Brown <neilb@...e.de>
Subject: Re: [PATCH 11/30] mm: __GFP_MEMALLOC

Hi Peter,

> __GFP_MEMALLOC will allow the allocation to disregard the watermarks, 
> much like PF_MEMALLOC.
> 
> It allows one to pass along the memalloc state in object related allocation
> flags as opposed to task related flags, such as sk->sk_allocation.

Is this properly name?
page alloc is always "mem alloc".

you wrote comment as "Use emergency reserves" and 
this flag works to turn on ALLOC_NO_WATERMARKS.

then, __GFP_NO_WATERMARK or __GFP_EMERGENCY are better?




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