51 lines
1.8 KiB
Plaintext
51 lines
1.8 KiB
Plaintext
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From: Chris Mason <mason@suse.com>
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Subject: increase defaults for shmmall, shmmax, msgmax and msgmnb
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References: 146656
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Patch-mainline: not yet
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The defaults are too small for most users.
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Acked-by: Jeff Mahoney <jeffm@suse.com>
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---
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include/linux/msg.h | 4 ++--
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include/linux/sem.h | 2 +-
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include/linux/shm.h | 2 +-
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3 files changed, 4 insertions(+), 4 deletions(-)
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--- a/include/linux/msg.h
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+++ b/include/linux/msg.h
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@@ -60,8 +60,8 @@ struct msginfo {
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#define MSG_MEM_SCALE 32
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#define MSGMNI 16 /* <= IPCMNI */ /* max # of msg queue identifiers */
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-#define MSGMAX 8192 /* <= INT_MAX */ /* max size of message (bytes) */
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-#define MSGMNB 16384 /* <= INT_MAX */ /* default max size of a message queue */
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+#define MSGMAX 65536 /* <= INT_MAX */ /* max size of message (bytes) */
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+#define MSGMNB 65536 /* <= INT_MAX */ /* default max size of a message queue */
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/* unused */
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#define MSGPOOL (MSGMNI * MSGMNB / 1024) /* size in kbytes of message pool */
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--- a/include/linux/sem.h
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+++ b/include/linux/sem.h
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@@ -63,7 +63,7 @@ struct seminfo {
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int semaem;
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};
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-#define SEMMNI 128 /* <= IPCMNI max # of semaphore identifiers */
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+#define SEMMNI 1024 /* <= IPCMNI max # of semaphore identifiers */
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#define SEMMSL 250 /* <= 8 000 max num of semaphores per id */
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#define SEMMNS (SEMMNI*SEMMSL) /* <= INT_MAX max # of semaphores in system */
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#define SEMOPM 32 /* <= 1 000 max num of ops per semop call */
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--- a/include/linux/shm.h
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+++ b/include/linux/shm.h
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@@ -14,7 +14,7 @@
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* be increased by sysctl
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*/
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-#define SHMMAX 0x2000000 /* max shared seg size (bytes) */
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+#define SHMMAX ULONG_MAX /* max shared seg size (bytes) */
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#define SHMMIN 1 /* min shared seg size (bytes) */
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#define SHMMNI 4096 /* max num of segs system wide */
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#ifdef __KERNEL__
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