lihao/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-07-23 21:23:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Remove extent dereferences from the deallocation fast paths.

Browse Source
This commit is contained in:
Jason Evans
2017-03-17 02:45:12 -07:00
parent 4f341412e5
commit 51a2ec92a1
8 changed files with 113 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/ckh.c
View File

@@ -282,14 +282,12 @@ ckh_grow(tsd_t *tsd, ckh_t *ckh) {
ckh->lg_curbuckets = lg_curcells - LG_CKH_BUCKET_CELLS;
if (!ckh_rebuild(ckh, tab)) {
idalloctm(tsd_tsdn(tsd), iealloc(tsd_tsdn(tsd), tab),
tab, NULL, true, true);
idalloctm(tsd_tsdn(tsd), tab, NULL, true, true);
break;
}
/* Rebuilding failed, so back out partially rebuilt table. */
idalloctm(tsd_tsdn(tsd), iealloc(tsd_tsdn(tsd), ckh->tab),
ckh->tab, NULL, true, true);
idalloctm(tsd_tsdn(tsd), ckh->tab, NULL, true, true);
ckh->tab = tab;
ckh->lg_curbuckets = lg_prevbuckets;
}
@@ -331,8 +329,7 @@ ckh_shrink(tsd_t *tsd, ckh_t *ckh) {
ckh->lg_curbuckets = lg_curcells - LG_CKH_BUCKET_CELLS;
if (!ckh_rebuild(ckh, tab)) {
idalloctm(tsd_tsdn(tsd), iealloc(tsd_tsdn(tsd), tab), tab, NULL,
true, true);
idalloctm(tsd_tsdn(tsd), tab, NULL, true, true);
#ifdef CKH_COUNT
ckh->nshrinks++;
#endif
@@ -340,8 +337,7 @@ ckh_shrink(tsd_t *tsd, ckh_t *ckh) {
}
/* Rebuilding failed, so back out partially rebuilt table. */
idalloctm(tsd_tsdn(tsd), iealloc(tsd_tsdn(tsd), ckh->tab), ckh->tab,
NULL, true, true);
idalloctm(tsd_tsdn(tsd), ckh->tab, NULL, true, true);
ckh->tab = tab;
ckh->lg_curbuckets = lg_prevbuckets;
#ifdef CKH_COUNT
@@ -422,8 +418,7 @@ ckh_delete(tsd_t *tsd, ckh_t *ckh) {
(unsigned long long)ckh->nrelocs);
#endif
idalloctm(tsd_tsdn(tsd), iealloc(tsd_tsdn(tsd), ckh->tab), ckh->tab,
NULL, true, true);
idalloctm(tsd_tsdn(tsd), ckh->tab, NULL, true, true);
if (config_debug) {
memset(ckh, JEMALLOC_FREE_JUNK, sizeof(ckh_t));
}