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authorAmerigo Wang <amwang@redhat.com>2009-12-15 16:47:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 07:20:10 -0800
commit9cf18e1dd74cd0061d58ac55029784ca3dd88f6a (patch)
treecec024557847462d5c6d3b9b52f4d59c08dc40c7
parente5cc9c7b1a3e7ae4d700d9fce168fb597bcfe9b6 (diff)
ipc: HARD_MSGMAX should be higher not lower on 64bit
We have HARD_MSGMAX lower on 64bit than on 32bit, since usually 64bit machines have more memory than 32bit machines. Making it higher on 64bit seems reasonable, and keep the original number on 32bit. Acked-by: Serge E. Hallyn <serue@us.ibm.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/ipc_namespace.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index e408722a84c..07baa38bce3 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -87,7 +87,7 @@ extern int mq_init_ns(struct ipc_namespace *ns);
/* default values */
#define DFLT_QUEUESMAX 256 /* max number of message queues */
#define DFLT_MSGMAX 10 /* max number of messages in each queue */
-#define HARD_MSGMAX (131072/sizeof(void *))
+#define HARD_MSGMAX (32768*sizeof(void *)/4)
#define DFLT_MSGSIZEMAX 8192 /* max message size */
#else
static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; }