linux-kernel - Re: [PATCH V3 0/4] Reducing parameters of alloc

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Message-Id: <20141218132619.4e6b349d0aa1744c41f985c7@linux-foundation.org>
Date:	Thu, 18 Dec 2014 13:26:19 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Vlastimil Babka <vbabka@...e.cz>
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 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.

Can we move `struct alloc_context' into mm/internal.h?

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?


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