[Devel] Re: [PATCH 04/10] memcg: Introduce __GFP_NOACCOUNT.

[Suleiman Souhlal]

On Tue, Feb 28, 2012 at 10:00 PM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu at jp.fujitsu.com> wrote:
> On Mon, 27 Feb 2012 14:58:47 -0800
> Suleiman Souhlal <ssouhlal at FreeBSD.org> wrote:
>
>> This is used to indicate that we don't want an allocation to be accounted
>> to the current cgroup.
>>
>> Signed-off-by: Suleiman Souhlal <suleiman at google.com>
>
> I don't like this.
>
> Please add
>
> ___GFP_ACCOUNT  "account this allocation to memcg"
>
> Or make this as slab's flag if this work is for slab allocation.

We would like to account for all the slab allocations that happen in
process context.

Manually marking every single allocation or kmem_cache with a GFP flag
really doesn't seem like the right thing to do..

Can you explain why you don't like this flag?

-- Suleiman