[PATCH] add poison.h and patch primary users
Localize poison values into one header file for better documentation and
easier/quicker debugging and so that the same values won't be used for
multiple purposes.
Use these constants in core arch., mm, driver, and fs code.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Matt Mackall <mpm@selenic.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 7f96b5c..8c9b28d 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -34,6 +34,7 @@
#include <linux/suspend.h>
#include <linux/pagemap.h>
#include <linux/kthread.h>
+#include <linux/poison.h>
#include <linux/proc_fs.h>
#include <asm/uaccess.h>
@@ -1675,7 +1676,7 @@
{
#ifdef CONFIG_JBD_DEBUG
atomic_dec(&nr_journal_heads);
- memset(jh, 0x5b, sizeof(*jh));
+ memset(jh, JBD_POISON_FREE, sizeof(*jh));
#endif
kmem_cache_free(journal_head_cache, jh);
}