From: Olof Johansson <olof@lixom.net>
To: Will Deacon <will.deacon@arm.com>
Cc: Laura Abbott <lauraa@codeaurora.org>,
Catalin Marinas <Catalin.Marinas@arm.com>,
David Riley <davidriley@chromium.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Ritesh Harjain <ritesh.harjani@gmail.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm
Date: Wed, 9 Jul 2014 15:35:21 -0700 [thread overview]
Message-ID: <CAOesGMjBMgutN6EDv=CeY=iM8zV=ti69_iyL=t5-HTD+pbCjzw@mail.gmail.com> (raw)
In-Reply-To: <20140703181059.GJ17372@arm.com>
On Thu, Jul 3, 2014 at 11:10 AM, Will Deacon <will.deacon@arm.com> wrote:
> On Wed, Jul 02, 2014 at 07:03:34PM +0100, Laura Abbott wrote:
>>
>> One of the more common algorithms used for allocation
>> is to align the start address of the allocation to
>> the order of size requested. Add this as an algorithm
>> option for genalloc.
>>
>> Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
>> ---
>> include/linux/genalloc.h | 4 ++++
>> lib/genalloc.c | 20 ++++++++++++++++++++
>> 2 files changed, 24 insertions(+)
>>
>> diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h
>> index 1c2fdaa..3cd0934 100644
>> --- a/include/linux/genalloc.h
>> +++ b/include/linux/genalloc.h
>> @@ -110,6 +110,10 @@ extern void gen_pool_set_algo(struct gen_pool *pool, genpool_algo_t algo,
>> extern unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size,
>> unsigned long start, unsigned int nr, void *data);
>>
>> +extern unsigned long gen_pool_first_fit_order_align(unsigned long *map,
>> + unsigned long size, unsigned long start, unsigned int nr,
>> + void *data);
>> +
>
> You could also update gen_pool_first_fit to call this new function instead.
+1, that'd be slightly nicer and remove one exported symbol.
But, as Will says, up to you. Either option:
Acked-by: Olof Johansson <olof@lixom.net>
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2014-07-09 22:35 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-02 18:03 [PATCHv4 0/5] DMA Atomic pool for arm64 Laura Abbott
2014-07-02 18:03 ` [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm Laura Abbott
2014-07-03 18:10 ` Will Deacon
2014-07-09 22:35 ` Olof Johansson [this message]
2014-07-02 18:03 ` [PATCHv4 2/5] lib/genalloc.c: Add genpool range check function Laura Abbott
2014-07-03 18:14 ` Will Deacon
2014-07-09 22:33 ` Olof Johansson
2014-07-21 19:51 ` Laura Abbott
2014-07-22 15:50 ` Catalin Marinas
2014-07-02 18:03 ` [PATCHv4 3/5] common: dma-mapping: Introduce common remapping functions Laura Abbott
2014-07-09 22:46 ` Olof Johansson
2014-07-18 14:13 ` Catalin Marinas
2014-07-18 13:53 ` Catalin Marinas
2014-07-21 19:33 ` Laura Abbott
2014-07-22 16:04 ` Catalin Marinas
2014-07-02 18:03 ` [PATCHv4 4/5] arm: use genalloc for the atomic pool Laura Abbott
2014-07-04 13:42 ` Thierry Reding
2014-07-21 21:22 ` Laura Abbott
2014-07-02 18:03 ` [PATCHv4 5/5] arm64: Add atomic pool for non-coherent and CMA allocations Laura Abbott
2014-07-04 13:35 ` Thierry Reding
2014-07-21 22:00 ` Laura Abbott
2014-07-18 13:43 ` Catalin Marinas
2014-07-21 22:36 ` Laura Abbott
2014-07-22 15:56 ` Catalin Marinas
2014-07-22 18:06 ` Arnd Bergmann
2014-07-22 21:03 ` Catalin Marinas
2014-07-22 23:51 ` Laura Abbott
2014-07-23 11:12 ` Arnd Bergmann
2014-07-23 1:35 [PATCHv4 0/5] Atomic pool for arm64 Laura Abbott
2014-07-23 1:35 ` [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm Laura Abbott
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAOesGMjBMgutN6EDv=CeY=iM8zV=ti69_iyL=t5-HTD+pbCjzw@mail.gmail.com' \
--to=olof@lixom.net \
--cc=Catalin.Marinas@arm.com \
--cc=davidriley@chromium.org \
--cc=lauraa@codeaurora.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=ritesh.harjani@gmail.com \
--cc=will.deacon@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox