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cache: make neglist an array given the static size

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This commit is contained in:
Mateusz Guzik 2020-10-15 17:42:22 +00:00
parent cd3d0f8c19
commit 430dc4518d
1 changed files with 4 additions and 5 deletions
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9
sys/kern/vfs_cache.c
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@ -305,17 +305,18 @@ SYSCTL_BOOL(_vfs, OID_AUTO, cache_fast_revlookup, CTLFLAG_RW,
static struct mtx __exclusive_cache_line ncneg_shrink_lock;
#define ncneghash 3
#define numneglists (ncneghash + 1)
struct neglist {
struct mtx nl_lock;
TAILQ_HEAD(, namecache) nl_list;
} __aligned(CACHE_LINE_SIZE);
static struct neglist __read_mostly *neglists;
static struct neglist neglists[numneglists];
static struct neglist ncneg_hot;
static u_long numhotneg;
#define ncneghash 3
#define numneglists (ncneghash + 1)
static inline struct neglist *
NCP2NEGLIST(struct namecache *ncp)
{
@ -2091,8 +2092,6 @@ nchinit(void *dummy __unused)
for (i = 0; i < numvnodelocks; i++)
mtx_init(&vnodelocks[i], "ncvn", NULL, MTX_DUPOK | MTX_RECURSE);
neglists = malloc(sizeof(*neglists) * numneglists, M_VFSCACHE,
M_WAITOK | M_ZERO);
for (i = 0; i < numneglists; i++) {
mtx_init(&neglists[i].nl_lock, "ncnegl", NULL, MTX_DEF);
TAILQ_INIT(&neglists[i].nl_list);