tequilaOS/platform_bionic
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Do not check tcache clear when doing a purge.

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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 3d0bafb945)
This commit is contained in:
Christopher Ferris 2019-07-08 14:54:58 -07:00
parent fe0fbcff7f
commit 5cda74e065
1 changed files with 2 additions and 3 deletions
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5
libc/bionic/jemalloc_wrapper.cpp
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@ -107,9 +107,8 @@ int je_mallopt(int param, int value) {
// 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);