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: [email protected] Cc: [email protected] Cc: Matt Mackall <[email protected]> Acked-by: Christoph Lameter <[email protected]> Signed-off-by: Nick Piggin <[email protected]> Signed-off-by: Pekka Enberg <[email protected]>
vieko · May 6, 2009 · 1eb5ac6 · 1eb5ac6
1 parent ce8a742
commit 1eb5ac6
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/mm/slub.c b/mm/slub.c
@@ -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);
 }