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| author | Park Ju Hyung <qkrwngud825@gmail.com> | 2019-12-28 22:22:58 +0900 |
|---|---|---|
| committer | Juhyung Park <qkrwngud825@gmail.com> | 2022-02-18 22:46:27 +0900 |
| commit | a8ea3cf8186803be9024b038713bd6d62c1988c7 (patch) | |
| tree | 0668277d0625d66a8dd03ab5a85db2efa666d7e1 /src | |
| parent | ff690d8809c6d57a566164b13fccfb7d87422b16 (diff) | |
jemalloc: always assume overcommitting memory
Minor optimization
Change-Id: I5be07492bad39e8b358cb6f820d5c580d560c829
Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/pages.c | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/src/pages.c b/src/pages.c index 555c359c..cdbbdcb5 100644 --- a/src/pages.c +++ b/src/pages.c @@ -33,7 +33,7 @@ static size_t os_page; # define PAGES_PROT_DECOMMIT (PROT_NONE) static int mmap_flags; #endif -static bool os_overcommits; +#define os_overcommits true /* Runtime support for lazy purge. Irrelevant when !pages_can_purge_lazy. */ static bool pages_can_purge_lazy_runtime = true; @@ -546,26 +546,6 @@ pages_boot(void) { mmap_flags = MAP_PRIVATE | MAP_ANON; #endif -#if defined(__ANDROID__) - /* Android always supports overcommits. */ - os_overcommits = true; -#else /* __ANDROID__ */ - -#ifdef JEMALLOC_SYSCTL_VM_OVERCOMMIT - os_overcommits = os_overcommits_sysctl(); -#elif defined(JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY) - os_overcommits = os_overcommits_proc(); -# ifdef MAP_NORESERVE - if (os_overcommits) { - mmap_flags |= MAP_NORESERVE; - } -# endif -#else - os_overcommits = false; -#endif - -#endif /* __ANDROID__ */ - #ifdef __FreeBSD__ /* * FreeBSD doesn't need the check; madvise(2) is known to work. |