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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-10-17 10:25:46 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 19:42:45 +0400
commite0bf68ddec4f4f90e5871404be4f1854c17f3120 (patch)
tree36203a3558cbe26d698bed18be69b3822fb5eef2 /mm/swap.c
parentdc62a30e274d003a4d08fb888f1520add4b21373 (diff)
downloadlinux-e0bf68ddec4f4f90e5871404be4f1854c17f3120.tar.xz
mm: bdi init hooks
provide BDI constructor/destructor hooks [akpm@linux-foundation.org: compile fix] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/swap.c')
-rw-r--r--mm/swap.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/swap.c b/mm/swap.c
index d034b2128d2b..a65eff8a517a 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -28,6 +28,7 @@
#include <linux/percpu.h>
#include <linux/cpu.h>
#include <linux/notifier.h>
+#include <linux/backing-dev.h>
/* How many pages do we try to swap or page in/out together? */
int page_cluster;
@@ -547,6 +548,10 @@ void __init swap_setup(void)
{
unsigned long megs = num_physpages >> (20 - PAGE_SHIFT);
+#ifdef CONFIG_SWAP
+ bdi_init(swapper_space.backing_dev_info);
+#endif
+
/* Use a smaller cluster for small-memory machines */
if (megs < 16)
page_cluster = 2;