From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org, linux-mm@kvack.org,
linaro-mm-sig@lists.linaro.org,
"'Michal Nazarewicz'" <mina86@mina86.com>,
"'Kyungmin Park'" <kyungmin.park@samsung.com>,
"'Andrew Morton'" <akpm@linux-foundation.org>,
"'KAMEZAWA Hiroyuki'" <kamezawa.hiroyu@jp.fujitsu.com>,
"'Ankita Garg'" <ankita@in.ibm.com>,
"'Daniel Walker'" <dwalker@codeaurora.org>,
"'Johan MOSSBERG'" <johan.xx.mossberg@stericsson.com>,
"'Mel Gorman'" <mel@csn.ul.ie>, "'Arnd Bergmann'" <arnd@arndb.de>,
"'Jesse Barker'" <jesse.barker@linaro.org>
Subject: Re: [PATCH 02/10] lib: genalloc: Generic allocator improvements
Date: Fri, 10 Jun 2011 13:52:17 +0100 [thread overview]
Message-ID: <20110610135217.701a2fd2@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <000c01cc2769$02669b70$0733d250$%szyprowski@samsung.com>
> I plan to replace it with lib/bitmap.c bitmap_* based allocator (similar like
> it it is used by dma_declare_coherent_memory() and friends in
> drivers/base/dma-coherent.c). We need something really simple for CMA area
> management.
>
> IMHO allocate_resource and friends a bit too heavy here, but good to know
> that such allocator also exists.
Not sure I'd class allocate_resource as heavyweight but providing it's
using something that already exists rather than inventing yet another
allocator.
This wants dealing with before it goes upstream though so the chaneges in
lib/*c etc never have to reach mainline and then get changed back.
Alan
WARNING: multiple messages have this Message-ID (diff)
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org, linux-mm@kvack.org,
linaro-mm-sig@lists.linaro.org,
'Michal Nazarewicz' <mina86@mina86.com>,
'Kyungmin Park' <kyungmin.park@samsung.com>,
'Andrew Morton' <akpm@linux-foundation.org>,
'KAMEZAWA Hiroyuki' <kamezawa.hiroyu@jp.fujitsu.com>,
'Ankita Garg' <ankita@in.ibm.com>,
'Daniel Walker' <dwalker@codeaurora.org>,
'Johan MOSSBERG' <johan.xx.mossberg@stericsson.com>,
'Mel Gorman' <mel@csn.ul.ie>, 'Arnd Bergmann' <arnd@arndb.de>,
'Jesse Barker' <jesse.barker@linaro.org>
Subject: Re: [PATCH 02/10] lib: genalloc: Generic allocator improvements
Date: Fri, 10 Jun 2011 13:52:17 +0100 [thread overview]
Message-ID: <20110610135217.701a2fd2@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <000c01cc2769$02669b70$0733d250$%szyprowski@samsung.com>
> I plan to replace it with lib/bitmap.c bitmap_* based allocator (similar like
> it it is used by dma_declare_coherent_memory() and friends in
> drivers/base/dma-coherent.c). We need something really simple for CMA area
> management.
>
> IMHO allocate_resource and friends a bit too heavy here, but good to know
> that such allocator also exists.
Not sure I'd class allocate_resource as heavyweight but providing it's
using something that already exists rather than inventing yet another
allocator.
This wants dealing with before it goes upstream though so the chaneges in
lib/*c etc never have to reach mainline and then get changed back.
Alan
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WARNING: multiple messages have this Message-ID (diff)
From: alan@lxorguk.ukuu.org.uk (Alan Cox)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 02/10] lib: genalloc: Generic allocator improvements
Date: Fri, 10 Jun 2011 13:52:17 +0100 [thread overview]
Message-ID: <20110610135217.701a2fd2@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <000c01cc2769$02669b70$0733d250$%szyprowski@samsung.com>
> I plan to replace it with lib/bitmap.c bitmap_* based allocator (similar like
> it it is used by dma_declare_coherent_memory() and friends in
> drivers/base/dma-coherent.c). We need something really simple for CMA area
> management.
>
> IMHO allocate_resource and friends a bit too heavy here, but good to know
> that such allocator also exists.
Not sure I'd class allocate_resource as heavyweight but providing it's
using something that already exists rather than inventing yet another
allocator.
This wants dealing with before it goes upstream though so the chaneges in
lib/*c etc never have to reach mainline and then get changed back.
Alan
next prev parent reply other threads:[~2011-06-10 12:51 UTC|newest]
Thread overview: 178+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-10 9:54 [PATCHv10 0/10] Contiguous Memory Allocator Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` [PATCH 01/10] lib: bitmap: Added alignment offset for bitmap_find_next_zero_area() Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` [PATCH 02/10] lib: genalloc: Generic allocator improvements Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 11:24 ` Alan Cox
2011-06-10 11:24 ` Alan Cox
2011-06-10 11:24 ` Alan Cox
2011-06-10 12:22 ` Marek Szyprowski
2011-06-10 12:22 ` Marek Szyprowski
2011-06-10 12:22 ` Marek Szyprowski
2011-06-10 12:52 ` Alan Cox [this message]
2011-06-10 12:52 ` Alan Cox
2011-06-10 12:52 ` Alan Cox
2011-06-10 17:16 ` Michal Nazarewicz
2011-06-10 17:16 ` Michal Nazarewicz
2011-06-10 17:16 ` Michal Nazarewicz
2011-06-14 15:49 ` [Linaro-mm-sig] " Jordan Crouse
2011-06-14 15:49 ` Jordan Crouse
2011-06-14 15:49 ` Jordan Crouse
2011-06-10 9:54 ` [PATCH 03/10] mm: move some functions from memory_hotplug.c to page_isolation.c Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` [PATCH 04/10] mm: alloc_contig_freed_pages() added Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` [PATCH 05/10] mm: alloc_contig_range() added Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` [PATCH 06/10] mm: MIGRATE_CMA migration type added Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` [PATCH 07/10] mm: MIGRATE_CMA isolation functions added Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` [PATCH 08/10] mm: cma: Contiguous Memory Allocator added Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 16:21 ` Arnd Bergmann
2011-06-10 16:21 ` Arnd Bergmann
2011-06-10 16:21 ` Arnd Bergmann
2011-06-13 9:05 ` Marek Szyprowski
2011-06-13 9:05 ` Marek Szyprowski
2011-06-13 9:05 ` Marek Szyprowski
2011-06-14 13:49 ` Arnd Bergmann
2011-06-14 13:49 ` Arnd Bergmann
2011-06-14 13:49 ` Arnd Bergmann
2011-06-14 13:55 ` Michal Nazarewicz
2011-06-14 13:55 ` Michal Nazarewicz
2011-06-14 13:55 ` Michal Nazarewicz
2011-06-14 16:03 ` Arnd Bergmann
2011-06-14 16:03 ` Arnd Bergmann
2011-06-14 16:03 ` Arnd Bergmann
2011-06-14 16:58 ` Michal Nazarewicz
2011-06-14 16:58 ` Michal Nazarewicz
2011-06-14 16:58 ` Michal Nazarewicz
2011-06-14 18:30 ` Arnd Bergmann
2011-06-14 18:30 ` Arnd Bergmann
2011-06-14 18:30 ` Arnd Bergmann
2011-06-14 18:40 ` Michal Nazarewicz
2011-06-14 18:40 ` Michal Nazarewicz
2011-06-14 18:40 ` Michal Nazarewicz
2011-06-15 7:11 ` Marek Szyprowski
2011-06-15 7:11 ` Marek Szyprowski
2011-06-15 7:11 ` Marek Szyprowski
2011-06-15 7:37 ` Arnd Bergmann
2011-06-15 7:37 ` Arnd Bergmann
2011-06-15 7:37 ` Arnd Bergmann
2011-06-15 8:14 ` Marek Szyprowski
2011-06-15 8:14 ` Marek Szyprowski
2011-06-15 8:14 ` Marek Szyprowski
2011-06-16 0:48 ` [Linaro-mm-sig] " Philip Balister
2011-06-16 0:48 ` Philip Balister
2011-06-16 0:48 ` Philip Balister
2011-06-16 7:03 ` Arnd Bergmann
2011-06-16 7:03 ` Arnd Bergmann
2011-06-16 7:03 ` Arnd Bergmann
2011-06-16 7:03 ` Arnd Bergmann
2011-06-22 7:03 ` Hans Verkuil
2011-06-22 7:03 ` Hans Verkuil
2011-06-22 7:03 ` Hans Verkuil
2011-06-22 7:32 ` Michal Nazarewicz
2011-06-22 7:32 ` Michal Nazarewicz
2011-06-22 7:32 ` Michal Nazarewicz
2011-06-22 12:42 ` Arnd Bergmann
2011-06-22 12:42 ` Arnd Bergmann
2011-06-22 12:42 ` Arnd Bergmann
2011-06-22 13:15 ` Marek Szyprowski
2011-06-22 13:15 ` Marek Szyprowski
2011-06-22 13:15 ` Marek Szyprowski
2011-06-22 13:39 ` Arnd Bergmann
2011-06-22 13:39 ` Arnd Bergmann
2011-06-22 13:39 ` Arnd Bergmann
2011-06-22 13:39 ` Arnd Bergmann
2011-06-22 16:04 ` Michal Nazarewicz
2011-06-22 16:04 ` Michal Nazarewicz
2011-06-22 16:04 ` Michal Nazarewicz
2011-06-22 15:54 ` Michal Nazarewicz
2011-06-22 15:54 ` Michal Nazarewicz
2011-06-22 15:54 ` Michal Nazarewicz
2011-06-15 11:53 ` Daniel Vetter
2011-06-15 11:53 ` Daniel Vetter
2011-06-15 11:53 ` Daniel Vetter
2011-06-15 13:12 ` Thomas Hellstrom
2011-06-15 13:12 ` Thomas Hellstrom
2011-06-15 13:12 ` Thomas Hellstrom
2011-06-17 16:08 ` Arnd Bergmann
2011-06-17 16:08 ` Arnd Bergmann
2011-06-17 16:08 ` Arnd Bergmann
2011-06-14 17:01 ` Daniel Stone
2011-06-14 17:01 ` Daniel Stone
2011-06-14 17:01 ` Daniel Stone
2011-06-14 18:58 ` Zach Pfeffer
2011-06-14 18:58 ` Zach Pfeffer
2011-06-14 18:58 ` Zach Pfeffer
2011-06-14 20:42 ` Arnd Bergmann
2011-06-14 20:42 ` Arnd Bergmann
2011-06-14 20:42 ` Arnd Bergmann
2011-06-14 21:01 ` Jordan Crouse
2011-06-14 21:01 ` Jordan Crouse
2011-06-14 21:01 ` Jordan Crouse
2011-06-15 11:27 ` Arnd Bergmann
2011-06-15 11:27 ` Arnd Bergmann
2011-06-15 11:27 ` Arnd Bergmann
2011-06-15 11:27 ` Arnd Bergmann
2011-06-15 6:29 ` Subash Patel
2011-06-15 8:36 ` Marek Szyprowski
2011-06-15 8:36 ` Marek Szyprowski
2011-06-15 8:36 ` Marek Szyprowski
2011-06-15 21:39 ` Larry Bassel
2011-06-15 21:39 ` Larry Bassel
2011-06-15 21:39 ` Larry Bassel
2011-06-15 22:06 ` Arnd Bergmann
2011-06-15 22:06 ` Arnd Bergmann
2011-06-15 22:06 ` Arnd Bergmann
2011-06-16 17:01 ` Larry Bassel
2011-06-16 17:01 ` Larry Bassel
2011-06-16 17:01 ` Larry Bassel
2011-06-17 12:45 ` Arnd Bergmann
2011-06-17 12:45 ` Arnd Bergmann
2011-06-17 12:45 ` Arnd Bergmann
2011-07-04 5:25 ` Ankita Garg
2011-07-04 5:25 ` Ankita Garg
2011-07-04 5:25 ` Ankita Garg
2011-07-04 14:45 ` Arnd Bergmann
2011-07-04 14:45 ` Arnd Bergmann
2011-07-04 14:45 ` Arnd Bergmann
2011-06-16 3:20 ` Zach Pfeffer
2011-06-16 3:20 ` Zach Pfeffer
2011-06-16 3:20 ` Zach Pfeffer
2011-06-15 9:26 ` Michal Nazarewicz
2011-06-15 9:26 ` Michal Nazarewicz
2011-06-15 9:26 ` Michal Nazarewicz
2011-06-15 11:20 ` Arnd Bergmann
2011-06-15 11:20 ` Arnd Bergmann
2011-06-15 11:20 ` Arnd Bergmann
2011-06-15 11:30 ` Michal Nazarewicz
2011-06-15 11:30 ` Michal Nazarewicz
2011-06-15 11:30 ` Michal Nazarewicz
2011-06-15 6:01 ` Subash Patel
2011-06-15 6:01 ` Subash Patel
2011-06-15 6:01 ` Subash Patel
2011-06-15 8:02 ` Marek Szyprowski
2011-06-15 8:02 ` Marek Szyprowski
2011-06-15 8:02 ` Marek Szyprowski
2011-06-15 11:14 ` Arnd Bergmann
2011-06-15 11:14 ` Arnd Bergmann
2011-06-15 11:14 ` Arnd Bergmann
2011-06-10 9:54 ` [PATCH 09/10] ARM: integrate CMA with dma-mapping subsystem Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` [PATCH 10/10] ARM: S5PV210: add CMA support for FIMC devices on Aquila board Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
2011-06-10 9:54 ` Marek Szyprowski
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