d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Panic if UMA_ZONE_PCPU is created at early stages of boot, when mp_ncpus

Browse Source 
isn't yet initialized. Otherwise we will panic at first allocation later.

Sponsored by:	Nginx, Inc.
This commit is contained in:
glebius 2013-04-22 09:02:23 +00:00
parent 3594d490ac
commit 18dd370b59
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sys/vm/uma_core.c
View File

@ -1139,6 +1139,7 @@ keg_small_init(uma_keg_t keg)
u_int shsize;
if (keg->uk_flags & UMA_ZONE_PCPU) {
KASSERT(mp_ncpus > 0, ("%s: ncpus %d\n", __func__, mp_ncpus));
keg->uk_slabsize = sizeof(struct pcpu);
keg->uk_ppera = howmany(mp_ncpus * sizeof(struct pcpu),
PAGE_SIZE);