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authorNick Piggin <npiggin@suse.de>2009-05-05 19:13:45 +1000
committerPekka Enberg <penberg@cs.helsinki.fi>2009-05-06 10:23:17 +0300
commit1f0532eb617d28f65c93593a1491f662f14f7eac (patch)
tree6023123bae2ed717b35c1c70be0de692e439bf80
parent1eb5ac6466d4be7b15b38ce3ab709600f1bc891f (diff)
mm: SLOB fix reclaim_state
SLOB 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 Acked-by: 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>
-rw-r--r--mm/slob.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/slob.c b/mm/slob.c
index a2d4ab32198..f92e66d558b 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -60,6 +60,7 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/mm.h>
+#include <linux/swap.h> /* struct reclaim_state */
#include <linux/cache.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -255,6 +256,8 @@ static void *slob_new_pages(gfp_t gfp, int order, int node)
static void slob_free_pages(void *b, int order)
{
+ if (current->reclaim_state)
+ current->reclaim_state->reclaimed_slab += 1 << order;
free_pages((unsigned long)b, order);
}
@@ -407,7 +410,7 @@ static void slob_free(void *block, int size)
spin_unlock_irqrestore(&slob_lock, flags);
clear_slob_page(sp);
free_slob_page(sp);
- free_page((unsigned long)b);
+ slob_free_pages(b, 0);
return;
}