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From: Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Rik van Riel <riel@nl.linux.org>,
	Linux Kernel <linux-kernel@vger.rutgers.edu>,
	Linux MM <linux-mm@kvack.org>
Subject: GFP_XXX semantics (was: Re: [PATCH] 2.2.1{3,4,5} VM fix)
Date: Mon, 24 Jan 2000 14:21:36 +0100 (CET)	[thread overview]
Message-ID: <Pine.LNX.4.10.10001241411310.24852-100000@nightmaster.csn.tu-chemnitz.de> (raw)
In-Reply-To: <Pine.LNX.4.21.0001221445150.440-100000@alpha.random>

On Sat, 22 Jan 2000, Andrea Arcangeli wrote:

[GFP-Mask semantics discussion]

ok, once we are about it here, could you please explain the
_exact_ semantics for the GFP_XXX constants?

GFP_BUFFER
GFP_ATOMIC
GFP_BIGUSER
GFP_USER
GFP_KERNEL
GFP_NFS
GFP_KSWAPD

So which steps are tried to allocate these pages (freeing
process, freeing globally, waiting, failing, kswapd-wakeup)? 

Because it is not easy to decide from a driver writers point of
view, which one to use for which requests :(

Thanks and Regards

Ingo Oeser
-- 
Feel the power of the penguin - run linux@your.pc
<esc>:x

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  reply	other threads:[~2000-01-24 13:21 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-01-19 21:15 [PATCH] 2.2.1{3,4,5} VM fix Rik van Riel
2000-01-20 17:11 ` Andrea Arcangeli
2000-01-20 20:30   ` Rik van Riel
2000-01-21  0:42     ` Andrea Arcangeli
2000-01-21  0:56       ` Alan Cox
2000-01-21  2:08         ` Andrea Arcangeli
2000-01-21  2:43           ` Rik van Riel
2000-01-21 12:54             ` Andrea Arcangeli
2000-01-21 19:18               ` Rik van Riel
2000-01-22  2:43                 ` Andrea Arcangeli
2000-01-22  3:22                   ` Benjamin C.R. LaHaise
2000-01-22 14:02                     ` Andrea Arcangeli
2000-01-24 13:21                       ` Ingo Oeser [this message]
2000-01-24 15:08                         ` GFP_XXX semantics (was: Re: [PATCH] 2.2.1{3,4,5} VM fix) Andrea Arcangeli
2000-01-25  0:01                           ` Rik van Riel
     [not found]                       ` <Pine.LNX.4.10.10001241411310.24852-100000@nightmaster.csn. tu-chemnitz.de>
2000-01-24 13:40                         ` Andi Kleen
2000-01-21  1:12       ` [PATCH] 2.2.1{3,4,5} VM fix Rik van Riel
2000-01-21  2:01         ` Andrea Arcangeli
2000-01-21  2:36           ` Andrea Arcangeli
2000-01-21  2:37           ` Rik van Riel
2000-01-21 13:24             ` Andrea Arcangeli

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