Re: [patch 2/2]slub: add a type for slab partial list position

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On Mon, 2011-08-29 at 22:20 +0800, Christoph Lameter wrote:
> On Mon, 29 Aug 2011, Alex,Shi wrote:
> 
> > On Wed, 2011-08-24 at 08:57 +0800, Li, Shaohua wrote:
> > > On Tue, 2011-08-23 at 23:25 +0800, Christoph Lameter wrote:
> > > > On Tue, 23 Aug 2011, Shaohua Li wrote:
> > > >
> > > > > Adding slab to partial list head/tail is sensentive to performance.
> > > > > So adding a type to document it to avoid we get it wrong.
> > > >
> > > > I think that if you want to make it more descriptive then using the stats
> > > > values (DEACTIVATE_TO_TAIL/HEAD) would avoid having to introduce an
> > > > additional enum and it would also avoid the if statement in the stat call.
> > > ok, that's better.
> > >
> > > Subject: slub: explicitly document position of inserting slab to partial list
> > >
> > > Adding slab to partial list head/tail is sensitive to performance.
> > > So explicitly uses DEACTIVATE_TO_TAIL/DEACTIVATE_TO_HEAD to document
> > > it to avoid we get it wrong.
> >
> > Frankly speaking, using DEACTIVATE_TO_TAIL/DEACTIVATE_TO_HEAD in
> > slab_alloc, slab_free make code hard to understand. Just adding some
> > comments will be more clear and understandable. like the following:
> > Do you think so?
> 
> Yes, I like that more.
fine, let me add it to the first patch


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