Commit 1eb5ac64 authored May 05, 2009 by Nick Piggin Committed by Pekka Enberg May 06, 2009

mm: SLUB fix reclaim_state

SLUB does not correctly account reclaim_state.reclaimed_slab, so it will
break memory reclaim. Account it like SLAB does.

Cc: stable@kernel.org
Cc: linux-mm@kvack.org
Cc: Matt Mackall <mpm@selenic.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

parent ce8a7424

mm/slub.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -9,6 +9,7 @@
		*/

		#include <linux/mm.h>
		#include <linux/swap.h> /* struct reclaim_state */
		#include <linux/module.h>
		#include <linux/bit_spinlock.h>
		#include <linux/interrupt.h>
		@@ -1170,6 +1171,8 @@ static void __free_slab(struct kmem_cache s, struct page page)

		__ClearPageSlab(page);
		reset_page_mapcount(page);
		if (current->reclaim_state)
		current->reclaim_state->reclaimed_slab += pages;
		__free_pages(page, order);
		}