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Pass dalloc_ctx down the sdalloc path.

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This avoids redundant rtree lookups.
This commit is contained in:
Qi Wang
2017-04-11 14:56:43 -07:00
committed by Qi Wang
parent e709fae1d7
commit f35213bae4
5 changed files with 41 additions and 24 deletions
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13
src/jemalloc.c
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@@ -2083,17 +2083,26 @@ isfree(tsd_t *tsd, void *ptr, size_t usize, tcache_t *tcache, bool slow_path) {
assert(ptr != NULL);
assert(malloc_initialized() || IS_INITIALIZER);
dalloc_ctx_t dalloc_ctx, *ctx;
if (config_prof && opt_prof) {
rtree_ctx_t *rtree_ctx = tsd_rtree_ctx(tsd);
rtree_szind_slab_read(tsd_tsdn(tsd), &extents_rtree, rtree_ctx,
(uintptr_t)ptr, true, &dalloc_ctx.szind, &dalloc_ctx.slab);
assert(dalloc_ctx.szind == size2index(usize));
prof_free(tsd, ptr, usize);
ctx = &dalloc_ctx;
} else {
ctx = NULL;
}
if (config_stats) {
*tsd_thread_deallocatedp_get(tsd) += usize;
}
if (likely(!slow_path)) {
isdalloct(tsd_tsdn(tsd), ptr, usize, tcache, false);
isdalloct(tsd_tsdn(tsd), ptr, usize, tcache, ctx, false);
} else {
isdalloct(tsd_tsdn(tsd), ptr, usize, tcache, true);
isdalloct(tsd_tsdn(tsd), ptr, usize, tcache, ctx, true);
}
}