From: Jungseok Lee <jungseoklee85@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
Minchan Kim <minchan@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
barami97@gmail.com, Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC PATCH 2/2] arm64: Implement vmalloc based thread_info allocator
Date: Thu, 28 May 2015 01:05:42 +0900 [thread overview]
Message-ID: <BE131E88-14CC-4080-AE1E-86EC3E5E3E04@gmail.com> (raw)
In-Reply-To: <3176422.FWpfrlzXOV@wuerfel>
On May 27, 2015, at 4:31 PM, Arnd Bergmann wrote:
> On Wednesday 27 May 2015 15:22:50 Sergey Senozhatsky wrote:
>> On (05/27/15 13:10), Minchan Kim wrote:
>>> On Tue, May 26, 2015 at 08:29:59PM +0900, Jungseok Lee wrote:
>>>>
>>>> if (test_thread_flag(TIF_MEMDIE) && !(gfp_mask & __GFP_NOFAIL))
>>>> goto nopage;
>>>>
>>>> IMHO, a reclaim operation would be not needed in this context if memory is
>>>> allocated from vmalloc space. It means there is no need to traverse shrinker list.
>>>
>>> For making fork successful with using vmalloc, it's bandaid.
>
> Right.
Thanks for a clear feedback!
It sounds like Catalin's idea should be considered seriously in ARM64 perspective.
Best Regards
Jungseok Lee
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next prev parent reply other threads:[~2015-05-27 16:05 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-24 16:02 Jungseok Lee
2015-05-24 17:49 ` Arnd Bergmann
2015-05-25 10:01 ` Jungseok Lee
2015-05-25 14:58 ` Minchan Kim
2015-05-26 12:10 ` Jungseok Lee
2015-05-27 4:24 ` Minchan Kim
2015-05-27 16:00 ` Jungseok Lee
2015-05-25 16:47 ` Catalin Marinas
2015-05-25 20:29 ` Arnd Bergmann
2015-05-25 22:36 ` Catalin Marinas
2015-05-26 9:51 ` Arnd Bergmann
2015-05-26 13:02 ` Jungseok Lee
2015-05-25 21:20 ` Arnd Bergmann
2015-05-25 14:40 ` Minchan Kim
2015-05-26 11:29 ` Jungseok Lee
2015-05-27 4:10 ` Minchan Kim
2015-05-27 6:22 ` Sergey Senozhatsky
2015-05-27 7:31 ` Arnd Bergmann
2015-05-27 16:05 ` Jungseok Lee [this message]
2015-05-27 16:08 ` Jungseok Lee
2015-05-26 2:52 ` yalin wang
2015-05-26 12:21 ` Jungseok Lee
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