linux-kernel - Re: [patch 3/8] mm: memcg: inline mem_cgroup_charge

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Message-ID: <20140312151924.GH11831@dhcp22.suse.cz>
Date:	Wed, 12 Mar 2014 16:19:24 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 3/8] mm: memcg: inline mem_cgroup_charge_common()

On Wed 12-03-14 10:53:00, Johannes Weiner wrote:
> On Wed, Mar 12, 2014 at 01:52:13PM +0100, Michal Hocko wrote:
> > On Tue 11-03-14 21:28:29, Johannes Weiner wrote:
> > [...]
> > > @@ -3919,20 +3919,21 @@ out:
> > >  	return ret;
> > >  }
> > >  
> > > -/*
> > > - * Charge the memory controller for page usage.
> > > - * Return
> > > - * 0 if the charge was successful
> > > - * < 0 if the cgroup is over its limit
> > > - */
> > > -static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
> > > -				gfp_t gfp_mask, enum charge_type ctype)
> > > +int mem_cgroup_newpage_charge(struct page *page,
> > > +			      struct mm_struct *mm, gfp_t gfp_mask)
> > 
> > s/mem_cgroup_newpage_charge/mem_cgroup_anon_charge/ ?
> > 
> > Would be a better name? The patch would be bigger but the name more
> > apparent...
> 
> I wouldn't be opposed to fixing those names at all, but I think that
> is out of the scope of this patch.

OK.

> Want to send one?

will do

> mem_cgroup_charge_anon() would be a good name, but then we should also
> rename mem_cgroup_cache_charge() to mem_cgroup_charge_file() to match.

Yes that sounds good to me.

> Or charge_private() vs. charge_shared()...

anon vs. file is easier to follow but I do not have any preference here.

-- 
Michal Hocko
SUSE Labs
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