Re: [PATCH 01/17] mm: sl[au]b: Add knowledge of PFMEMALLOC reserve pages

[Mel Gorman <mgorman@xxxxxxx>]

On Wed, Jun 20, 2012 at 01:05:13PM +0200, Sebastian Andrzej Siewior wrote:
> On Wed, Jun 20, 2012 at 10:35:04AM +0100, Mel Gorman wrote:
> > [a.p.zijlstra@xxxxxxxxx: Original implementation]
> > Signed-off-by: Mel Gorman <mgorman@xxxxxxx>
> > ---
> > diff --git a/mm/slab.c b/mm/slab.c
> > index e901a36..b190cac 100644
> > --- a/mm/slab.c
> > +++ b/mm/slab.c
> > @@ -1851,6 +1984,7 @@ static void kmem_freepages(struct kmem_cache *cachep, void *addr)
> >  	while (i--) {
> >  		BUG_ON(!PageSlab(page));
> >  		__ClearPageSlab(page);
> > +		__ClearPageSlabPfmemalloc(page);
> >  		page++;
> >  	}
> >  	if (current->reclaim_state)
> > @@ -3120,16 +3254,19 @@ bad:
> > diff --git a/mm/slub.c b/mm/slub.c
> > index 8c691fa..43738c9 100644
> > --- a/mm/slub.c
> > +++ b/mm/slub.c
> > @@ -1414,6 +1418,7 @@ static void __free_slab(struct kmem_cache *s, struct page *page)
> >  		-pages);
> >  
> >  	__ClearPageSlab(page);
> > +	__ClearPageSlabPfmemalloc(page);
> >  	reset_page_mapcount(page);
> >  	if (current->reclaim_state)
> >  		current->reclaim_state->reclaimed_slab += pages;
> 
> So you mention a change here in v11's changelog but I don't see it.
> 

Because I'm an idiot and send out the wrong branch and then was rude
enough to not include you on the CC. I have resent the series, correctly
this time I hope. Sorry about that.

-- 
Mel Gorman
SUSE Labs
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