Do not check tcache clear when doing a purge.
On systems where the tcache is disabled, the tcache clear option will
fail, and not really do a purge.
Bug: 137037462
Bug: 136236080
Test: Built taimen as malloc svelte and verified the M_PURGE mallopt
Test: call failed before this fix and passes afterwards.
Change-Id: Ib30e5f3e083a9c6d046adff30f2aa7eacaf6df10
Merged-In: Ib30e5f3e083a9c6d046adff30f2aa7eacaf6df10
(cherry picked from commit 3d0bafb945bc9e39ddc84a0167e713b8e70dc135)
diff --git a/libc/bionic/jemalloc_wrapper.cpp b/libc/bionic/jemalloc_wrapper.cpp
index bf0494d..7d04457 100644
--- a/libc/bionic/jemalloc_wrapper.cpp
+++ b/libc/bionic/jemalloc_wrapper.cpp
@@ -107,9 +107,8 @@
// clear the caches of other threads.
// This must be done first so that cleared allocations get purged
// in the next calls.
- if (je_mallctl("thread.tcache.flush", nullptr, nullptr, nullptr, 0) != 0) {
- return 0;
- }
+ // Ignore the return call since this will fail if the tcache is disabled.
+ je_mallctl("thread.tcache.flush", nullptr, nullptr, nullptr, 0);
unsigned narenas;
size_t sz = sizeof(unsigned);
