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| author | Mateusz Guzik <mjg@FreeBSD.org> | 2018-11-29 02:52:08 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2018-11-29 02:52:08 +0000 |
| commit | 1e9a1bf5898bc27122358e03ab20aa1c96f44336 (patch) | |
| tree | 1c86d42b212b0be36f23bdaebe6997f6fc557d98 /sys/sys/proc.h | |
| parent | 78afed13969ff5911565681047b9da781991d7a4 (diff) | |
| download | src-1e9a1bf5898bc27122358e03ab20aa1c96f44336.tar.gz src-1e9a1bf5898bc27122358e03ab20aa1c96f44336.zip | |
proc: create a dedicated lock for zombproc to ligthen the load on allproc_lock
waitpid always takes proctree to evaluate the list, but only takes allproc
if it can reap. With this patch allproc is no longer taken, which helps during
poudriere -j 128.
Discussed with: kib
Sponsored by: The FreeBSD Foundation
Notes
Notes:
svn path=/head/; revision=341176
Diffstat (limited to 'sys/sys/proc.h')
| -rw-r--r-- | sys/sys/proc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/sys/proc.h b/sys/sys/proc.h index 82f2ab343ddc..c578f8ba147a 100644 --- a/sys/sys/proc.h +++ b/sys/sys/proc.h @@ -959,6 +959,7 @@ extern u_long pgrphash; extern struct sx allproc_lock; extern int allproc_gen; +extern struct sx zombproc_lock; extern struct sx proctree_lock; extern struct mtx ppeers_lock; extern struct proc proc0; /* Process slot for swapper. */ |