Re: [PATCH] arch: uapi: asm: mman.h: Support MADV_FREE for madvise()
From: Chen Gang
Date: Mon Dec 01 2014 - 21:01:13 EST
On 12/2/14 09:55, James Bottomley wrote:
> On Mon, 2014-12-01 at 17:01 -0500, Carlos O'Donell wrote:
>> On Mon, Dec 1, 2014 at 4:35 PM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>>> On Mon, Dec 1, 2014 at 9:52 PM, Max Filippov <jcmvbkbc@xxxxxxxxx> wrote:
>>>> On Mon, Dec 1, 2014 at 11:43 PM, Chen Gang <gang.chen.5i5j@xxxxxxxxx> wrote:
>>>>> At present, kernel supports madvise(MADV_FREE), so can benefit to all
>>>>> related architectures (can grep MADV_WILLNEED or MADV_REMOVE in "arch/"
>>>>> to know about all related architectures).
>>>> A similar patch has been posted a while ago:
>>> Would it be possible to use the same number everywhere?
>> Yes please. It's ridiculous that we still need patches like this.
>> I proposed unifying all this two years ago, but didn't follow up.
>> From glibc's perspective it would be simpler if we started using the
>> same number everywhere.
> Please co-ordinate with Andrew then because he's intent on merging this
For me, we can let MADV_FREE to 8 based on the Andrew's mm tree. Since
it is about uapi, we need try our best to let it perfect.
Open, share, and attitude like air, water, and life which God blessed
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