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Re: [PATCH 0/13] Reduce external fragmentation by grouping pages by mobility v30

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From: Mel Gorman <mel@...>
To: Andrew Morton <akpm@...>
Cc: <linux-kernel@...>, <linux-mm@...>
Subject: Re: [PATCH 0/13] Reduce external fragmentation by grouping pages by mobility v30
Date: Friday, September 14, 2007 - 10:33 am

On (13/09/07 18:01), Andrew Morton didst pronounce:

I can understand that logic.


Nothing, the end result is more or less the same. There are three style
cleanups in the restack and for some reason, one of the functions moved
but otherwise they are identical.

The restacked version was provided to illustrate what the final stack really
looks like and because I thought you would prefer it over a stack that had
one patch introducing a change and a later patch removing it (like making
it configurable for example). It also allowed us to test against mainline
to make sure everything was ok prior to the merge.

Go ahead with the patches you already
have if you prefer. Just make sure not to include
breakout-page_order-to-internalh-to-avoid-special-knowledge-of-the-buddy-allocator.patch
as it's only required for page-owner-tracking.

Thanks Andrew.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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Messages in current thread:
[PATCH 0/13] Reduce external fragmentation by grouping pages..., Mel Gorman, (Mon Sep 10, 7:20 am)
Re: [PATCH 0/13] Reduce external fragmentation by grouping p..., Andrew Morton, (Thu Sep 13, 9:01 pm)
Re: [PATCH 0/13] Reduce external fragmentation by grouping p..., Mel Gorman, (Fri Sep 14, 10:33 am)
Re: [PATCH 0/13] Reduce external fragmentation by grouping p..., Andrew Morton, (Sun Sep 16, 6:34 am)
[PATCH 13/13] Print out statistics in relation to fragmentat..., Mel Gorman, (Mon Sep 10, 7:24 am)
[PATCH 12/13] Be more agressive about stealing when MIGRATE_..., Mel Gorman, (Mon Sep 10, 7:24 am)
[PATCH 11/13] Bias the placement of kernel pages at lower pfns, Mel Gorman, (Mon Sep 10, 7:23 am)
[PATCH 10/13] Bias the location of pages freed for min_free_..., Mel Gorman, (Mon Sep 10, 7:23 am)
[PATCH 9/13] Do not group pages by mobility type on low memo..., Mel Gorman, (Mon Sep 10, 7:23 am)
[PATCH 8/13] Move free pages between lists on steal, Mel Gorman, (Mon Sep 10, 7:22 am)
[PATCH 7/13] Drain per-cpu lists when high-order allocations..., Mel Gorman, (Mon Sep 10, 7:22 am)
Re: [PATCH 7/13] Drain per-cpu lists when high-order allocat..., Nick Piggin, (Mon Sep 10, 11:05 am)
Re: [PATCH 7/13] Drain per-cpu lists when high-order allocat..., Mel Gorman, (Tue Sep 11, 5:34 am)
[PATCH 6/13] Group short-lived and reclaimable kernel alloca..., Mel Gorman, (Mon Sep 10, 7:22 am)
Re: Group short-lived and reclaimable kernel allocations, Paul Jackson, (Mon Sep 10, 3:44 pm)
Re: Group short-lived and reclaimable kernel allocations, Mel Gorman, (Mon Sep 10, 5:15 pm)
[PATCH 5/13] Choose pages from the per cpu list-based on mig..., Mel Gorman, (Mon Sep 10, 7:21 am)
[PATCH 4/13] Split the free lists for movable and unmovable ..., Mel Gorman, (Mon Sep 10, 7:21 am)
[PATCH 3/13] Fix corruption of memmap on ia64-sparsemem when..., Mel Gorman, (Mon Sep 10, 7:21 am)
[PATCH 2/13] Add a bitmap that is used to track flags affect..., Mel Gorman, (Mon Sep 10, 7:20 am)
[PATCH 1/13] ia64: parse kernel parameter hugepagesz= in ear..., Mel Gorman, (Mon Sep 10, 7:20 am)