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Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK

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From: Christoph Lameter
Subject: Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK
Date: Monday, July 23, 2007 - 4:17 pm

On Mon, 23 Jul 2007, Peter Zijlstra wrote:


NACK.

The effect that this patch will have is that __GFP_ZERO is passed through 
to the page allocator which will needlessly zero pages. GFP_LEVEL_MASK is 
used to filter out the flags that are to be passed to the page allocator. 
__GFP_ZERO is not passed on but handled by the slab allocators.


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Messages in current thread:
[PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Peter Zijlstra, (Mon Jul 23, 3:03 am)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Mel Gorman, (Mon Jul 23, 4:21 am)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Peter Zijlstra, (Mon Jul 23, 4:38 am)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Mel Gorman, (Mon Jul 23, 5:30 am)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Andrew Morton, (Mon Jul 23, 11:37 am)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Peter Zijlstra, (Mon Jul 23, 11:40 am)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Christoph Lameter, (Mon Jul 23, 2:43 pm)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Andrew Morton, (Mon Jul 23, 3:13 pm)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Linus Torvalds, (Mon Jul 23, 3:41 pm)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Christoph Lameter, (Mon Jul 23, 3:50 pm)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Andrew Morton, (Mon Jul 23, 3:56 pm)
Re: [PATCH] add __GFP_ZERP to GFP_LEVEL_MASK, Christoph Lameter, (Mon Jul 23, 4:00 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Christoph Lameter, (Mon Jul 23, 4:17 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Peter Zijlstra, (Mon Jul 23, 11:01 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Peter Zijlstra, (Mon Jul 23, 11:48 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Christoph Lameter, (Tue Jul 24, 12:09 am)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Christoph Lameter, (Tue Jul 24, 12:14 am)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Peter Zijlstra, (Tue Jul 24, 12:24 am)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Christoph Lameter, (Tue Jul 24, 12:35 am)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Christoph Lameter, (Tue Jul 24, 12:07 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Andrew Morton, (Tue Jul 24, 12:25 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Christoph Lameter, (Tue Jul 24, 12:36 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Andrew Morton, (Tue Jul 24, 3:10 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Christoph Lameter, (Tue Jul 24, 4:00 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Andrew Morton, (Tue Jul 24, 4:12 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Christoph Lameter, (Tue Jul 24, 4:58 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Andrew Morton, (Tue Jul 24, 5:06 pm)
Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK, Mel Gorman, (Wed Jul 25, 6:06 am)