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Message-ID: <54AA9E09.7040308@suse.cz>
Date: Mon, 05 Jan 2015 15:22:01 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: Andrew Morton <akpm@...ux-foundation.org>
CC: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
David Rientjes <rientjes@...gle.com>,
Johannes Weiner <hannes@...xchg.org>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Mel Gorman <mgorman@...e.de>, Michal Hocko <mhocko@...e.cz>,
Minchan Kim <minchan@...nel.org>,
Rik van Riel <riel@...hat.com>,
Zhang Yanfei <zhangyanfei@...fujitsu.com>
Subject: Re: [PATCH V3 0/4] Reducing parameters of alloc_pages* family of
functions
On 12/18/2014 10:26 PM, Andrew Morton wrote:
> On Fri, 12 Dec 2014 17:13:21 +0100 Vlastimil Babka <vbabka@...e.cz> wrote:
>
>> Vlastimil Babka (4):
>> mm: set page->pfmemalloc in prep_new_page()
>> mm, page_alloc: reduce number of alloc_pages* functions' parameters
>> mm: reduce try_to_compact_pages parameters
>> mm: microoptimize zonelist operations
>
> That all looks pretty straightforward. It would be nice to have a
> summary of the code-size and stack-usage changes for the whole
> patchset.
OK
> Can we move `struct alloc_context' into mm/internal.h?
Only if we moved also try_to_compact_pages() declaration from
include/linux/compaction.h to mm/internal.h. I guess it's not a bad idea, as
it's a MM-only function and mm/internal.h already contains compaction stuff.
> I pity the poor schmuck who has to maintain this patchset for 2 months.
> [2/4] already throws a large pile of rejects against page_alloc.c so
> can you please refresh/retest/resend?
Right :)
Vlastimil
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