Re: [PATCH 01/17] mm: sl[au]b: Add knowledge of PFMEMALLOC reservepages
From: Sebastian Andrzej Siewior
Date: Wed Jun 20 2012 - 07:05:33 EST
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.
Sebastian
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