From: Amerigo Wang <amwang@redhat.com> Date: Thu, 17 Dec 2009 07:22:35 -0500 Subject: [misc] ipc: HARD_MSGMAX should be higher on 64bit Message-id: <20091217072539.4297.97184.sendpatchset@localhost.localdomain> Patchwork-id: 22019 O-Subject: [PATCH RHEL5] ipc: HARD_MSGMAX should be higher not lower on 64bit Bugzilla: 548334 RH-Acked-by: Jarod Wilson <jarod@redhat.com> BZ: https://bugzilla.redhat.com/show_bug.cgi?id=548334 Description: It looks weird that 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. Upstream status: Commit 9cf18e1dd74c. Signed-off-by: WANG Cong <amwang@redhat.com> diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 5b2e475..909f9c9 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -53,7 +53,7 @@ /* 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 */