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vfs: change nt_zone into a malloc type

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Elements are small in size and allocated for short periods.
This commit is contained in:
Mateusz Guzik 2020-11-05 12:06:50 +00:00
parent f24aa01f9d
commit 2fbb45c601
1 changed files with 3 additions and 5 deletions
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8
sys/kern/vfs_lookup.c
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@ -149,7 +149,7 @@ struct nameicap_tracker {
};
/* Zone for cap mode tracker elements used for dotdot capability checks. */
static uma_zone_t nt_zone;
MALLOC_DEFINE(M_NAMEITRACKER, "namei_tracker", "namei tracking for dotdot");
static void
nameiinit(void *dummy __unused)
@ -157,8 +157,6 @@ nameiinit(void *dummy __unused)
namei_zone = uma_zcreate("NAMEI", MAXPATHLEN, NULL, NULL, NULL, NULL,
UMA_ALIGN_PTR, 0);
nt_zone = uma_zcreate("rentr", sizeof(struct nameicap_tracker),
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
vfs_vector_op_register(&crossmp_vnodeops);
getnewvnode("crossmp", NULL, &crossmp_vnodeops, &vp_crossmp);
}
@ -190,7 +188,7 @@ nameicap_tracker_add(struct nameidata *ndp, struct vnode *dp)
return;
ndp->ni_lcf |= NI_LCF_BENEATH_LATCHED;
}
nt = uma_zalloc(nt_zone, M_WAITOK);
nt = malloc(sizeof(*nt), M_NAMEITRACKER, M_WAITOK);
vhold(dp);
nt->dp = dp;
TAILQ_INSERT_TAIL(&ndp->ni_cap_tracker, nt, nm_link);
@ -206,7 +204,7 @@ nameicap_cleanup(struct nameidata *ndp, bool clean_latch)
TAILQ_FOREACH_SAFE(nt, &ndp->ni_cap_tracker, nm_link, nt1) {
TAILQ_REMOVE(&ndp->ni_cap_tracker, nt, nm_link);
vdrop(nt->dp);
uma_zfree(nt_zone, nt);
free(nt, M_NAMEITRACKER);
}
if (clean_latch && (ndp->ni_lcf & NI_LCF_LATCH) != 0) {
ndp->ni_lcf &= ~NI_LCF_LATCH;