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Allow to set kern.ipc.shmmax from /boot/loader.conf.

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MFC after:	1 week
This commit is contained in:
Pawel Jakub Dawidek 2012-02-08 09:18:22 +00:00
parent 95208e20d0
commit 12075c0936
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=231195
1 changed files with 7 additions and 7 deletions
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14
sys/kern/sysv_shm.c
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@ -891,14 +891,14 @@ shminit()
printf("kern.ipc.shmmaxpgs is now called kern.ipc.shmall!\n");
#endif
TUNABLE_ULONG_FETCH("kern.ipc.shmall", &shminfo.shmall);
/* Initialize shmmax dealing with possible overflow. */
for (i = PAGE_SIZE; i > 0; i--) {
shminfo.shmmax = shminfo.shmall * i;
if (shminfo.shmmax >= shminfo.shmall)
break;
if (!TUNABLE_ULONG_FETCH("kern.ipc.shmmax", &shminfo.shmmax)) {
/* Initialize shmmax dealing with possible overflow. */
for (i = PAGE_SIZE; i > 0; i--) {
shminfo.shmmax = shminfo.shmall * i;
if (shminfo.shmmax >= shminfo.shmall)
break;
}
}
TUNABLE_ULONG_FETCH("kern.ipc.shmmin", &shminfo.shmmin);
TUNABLE_ULONG_FETCH("kern.ipc.shmmni", &shminfo.shmmni);
TUNABLE_ULONG_FETCH("kern.ipc.shmseg", &shminfo.shmseg);