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| author | Mateusz Guzik <mjg@FreeBSD.org> | 2020-07-02 12:58:07 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2020-07-02 12:58:07 +0000 |
| commit | a2de789ebb804374bac13ef2931158c364c2774a (patch) | |
| tree | 5cc3dc7272c98609513911869cfe52bc08a19acd /sys/kern | |
| parent | d23850207ba79556065a8d9429c5d8a60ca25931 (diff) | |
| download | src-a2de789ebb804374bac13ef2931158c364c2774a.tar.gz src-a2de789ebb804374bac13ef2931158c364c2774a.zip | |
cred: add a prediction to crfree for td->td_realucred == cr
This matches crhold and eliminates an assembly maze in the common case.
Notes
Notes:
svn path=/head/; revision=362890
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_prot.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c index 8057749c0ce6..3dbf3e19acbe 100644 --- a/sys/kern/kern_prot.c +++ b/sys/kern/kern_prot.c @@ -1985,7 +1985,7 @@ crfree(struct ucred *cr) struct thread *td; td = curthread; - if (td->td_realucred == cr) { + if (__predict_true(td->td_realucred == cr)) { KASSERT(cr->cr_users > 0, ("%s: users %d not > 0 on cred %p", __func__, cr->cr_users, cr)); td->td_ucredref--; |