linux-kernel - Re: [Linaro-mm-sig] [PATCHv24 00/16] Contiguous Memory Allocator

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Message-ID: <CAGsJ_4yAwh32u3tdWFA3BC76NpMws5RT_JnxnzNdHx6eoHHxMw@mail.gmail.com>
Date:	Mon, 30 Apr 2012 11:38:09 +0800
From:	Barry Song <21cnbao@...il.com>
To:	Marek Szyprowski <m.szyprowski@...sung.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-media@...r.kernel.org, linux-mm@...ck.org,
	linaro-mm-sig@...ts.linaro.org, Ohad Ben-Cohen <ohad@...ery.com>,
	Daniel Walker <dwalker@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Jonathan Corbet <corbet@....net>, Mel Gorman <mel@....ul.ie>,
	Michal Nazarewicz <mina86@...a86.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Jesse Barker <jesse.barker@...aro.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rob Clark <rob.clark@...aro.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [Linaro-mm-sig] [PATCHv24 00/16] Contiguous Memory Allocator

2012/4/3 Marek Szyprowski <m.szyprowski@...sung.com>:
> Hi,
>
> This is (yet another) update of CMA patches. I've rebased them onto
> recent v3.4-rc1 kernel tree and integrated some minor bugfixes. The
> first issue has been pointed by Sandeep Patil - alloc_contig_range
> reclaimed two times too many pages, second issue (possible mismatch
> between pageblock size and MAX_ORDER pages) has been recently spotted
> by Michal Nazarewicz.
>
> These patches are also available on my git repository:
> git://git.linaro.org/people/mszyprowski/linux-dma-mapping.git 3.4-rc1-cma-v24
>
> Best regards
> Marek Szyprowski
> Samsung Poland R&D Center
>
>
>
> Patches in this patchset:

Marek,

how about the patch "mm: cma: add a simple kernel module as the helper
to test CMA", did you forget merging this?
http://lists.infradead.org/pipermail/linux-arm-kernel/2012-March/088412.html

>
> Marek Szyprowski (6):
>  mm: extract reclaim code from __alloc_pages_direct_reclaim()
>  mm: trigger page reclaim in alloc_contig_range() to stabilise
>    watermarks
>  drivers: add Contiguous Memory Allocator
>  X86: integrate CMA with DMA-mapping subsystem
>  ARM: integrate CMA with DMA-mapping subsystem
>  ARM: Samsung: use CMA for 2 memory banks for s5p-mfc device
>
> Mel Gorman (1):
>  mm: Serialize access to min_free_kbytes
>
> Michal Nazarewicz (9):
>  mm: page_alloc: remove trailing whitespace
>  mm: compaction: introduce isolate_migratepages_range()
>  mm: compaction: introduce map_pages()
>  mm: compaction: introduce isolate_freepages_range()
>  mm: compaction: export some of the functions
>  mm: page_alloc: introduce alloc_contig_range()
>  mm: page_alloc: change fallbacks array handling
>  mm: mmzone: MIGRATE_CMA migration type added
>  mm: page_isolation: MIGRATE_CMA isolation functions added
>

-barry
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