[Devel] Re: [PATCH 05/11] Add a __GFP_KMEMCG flag

[Glauber Costa]

On 06/26/2012 08:25 AM, David Rientjes wrote:
> On Mon, 25 Jun 2012, Glauber Costa wrote:
>
>> >This flag is used to indicate to the callees that this allocation will be
>> >serviced to the kernel. It is not supposed to be passed by the callers
>> >of kmem_cache_alloc, but rather by the cache core itself.
>> >
> Not sure what "serviced to the kernel" means, does this mean that the
> memory will not be accounted for to the root memcg?
>
In this context, it means that is a kernel allocation, not a userspace 
one (but in process context, of course), *and* it is to be accounted a
specific memcg.