From: David Miller <davem@davemloft.net>
To: torvalds@linux-foundation.org
Cc: jesper.nilsson@axis.com, linux-kernel@vger.kernel.org
Subject: klist: Fix object alignment on 64-bit.
Date: Sun, 13 Feb 2011 16:37:07 -0800 (PST) [thread overview]
Message-ID: <20110213.163707.71559850.davem@davemloft.net> (raw)
Commit c0e69a5bbc6fc74184aa043aadb9a53bc58f953b ("klist.c: bit 0 in
pointer can't be used as flag") intended to make sure that all klist
objects were at least pointer size aligned, but used the constant "4"
which only works on 32-bit.
Use "sizeof(void *)" which is correct in all cases.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
diff --git a/include/linux/klist.h b/include/linux/klist.h
index e91a4e5..a370ce5 100644
--- a/include/linux/klist.h
+++ b/include/linux/klist.h
@@ -22,7 +22,7 @@ struct klist {
struct list_head k_list;
void (*get)(struct klist_node *);
void (*put)(struct klist_node *);
-} __attribute__ ((aligned (4)));
+} __attribute__ ((aligned (sizeof(void *))));
#define KLIST_INIT(_name, _get, _put) \
{ .k_lock = __SPIN_LOCK_UNLOCKED(_name.k_lock), \
--
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reply other threads:[~2011-02-14 0:36 UTC|newest]
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