2006-08-16 12:05:34

by Martin Schwidefsky

[permalink] [raw]
Subject: [patch] s390: dasd slab cache alignment.

From: Heiko Carstens <[email protected]>

[S390] dasd slab cache alignment.

The dasd_page_cache should return page addresses and therefore the
cache must be created with an alignment of PAGE_SIZE.

Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
---

drivers/s390/block/dasd_devmap.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff -urpN linux-2.6/drivers/s390/block/dasd_devmap.c linux-2.6-patched/drivers/s390/block/dasd_devmap.c
--- linux-2.6/drivers/s390/block/dasd_devmap.c 2006-08-16 13:36:32.000000000 +0200
+++ linux-2.6-patched/drivers/s390/block/dasd_devmap.c 2006-08-16 13:36:32.000000000 +0200
@@ -264,8 +264,9 @@ dasd_parse_keyword( char *parsestring )
if (dasd_page_cache)
return residual_str;
dasd_page_cache =
- kmem_cache_create("dasd_page_cache", PAGE_SIZE, 0,
- SLAB_CACHE_DMA, NULL, NULL );
+ kmem_cache_create("dasd_page_cache", PAGE_SIZE,
+ PAGE_SIZE, SLAB_CACHE_DMA,
+ NULL, NULL );
if (!dasd_page_cache)
MESSAGE(KERN_WARNING, "%s", "Failed to create slab, "
"fixed buffer mode disabled.");