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Revert "Experimental configuration option for fast path prefetch from cache_bin"

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This reverts commit f9fae9f1f8.
This commit is contained in:
Slobodan Predolac 2026-02-05 19:18:19 -08:00 • committed by Guangli Dai
parent c51abba131
commit d4908fe44a
3 changed files with 0 additions and 41 deletions
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5
include/jemalloc/internal/jemalloc_internal_defs.h.in
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@ -160,11 +160,6 @@
/* JEMALLOC_EXPERIMENTAL_SMALLOCX_API enables experimental smallocx API. */
#undef JEMALLOC_EXPERIMENTAL_SMALLOCX_API
/* JEMALLOC_EXPERIMENTAL_FASTPATH_PREFETCH enables prefetch
* on malloc fast path.
*/
#undef JEMALLOC_EXPERIMENTAL_FASTPATH_PREFETCH
/* JEMALLOC_PROF enables allocation profiling. */
#undef JEMALLOC_PROF

6
include/jemalloc/internal/jemalloc_internal_inlines_c.h
View file

@ -374,12 +374,6 @@ imalloc_fastpath(size_t size, void *(fallback_alloc)(size_t)) {
*/
ret = cache_bin_alloc_easy(bin, &tcache_success);
if (tcache_success) {
#if defined(JEMALLOC_EXPERIMENTAL_FASTPATH_PREFETCH)
cache_bin_sz_t lb = (cache_bin_sz_t)(uintptr_t)bin->stack_head;
if(likely(lb != bin->low_bits_empty)) {
util_prefetch_write_range(*(bin->stack_head), usize);
}
#endif
fastpath_success_finish(tsd, allocated_after, bin, ret);
return ret;
}