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| author | Christopher Ferris <cferris@google.com> | 2018-11-13 09:53:58 -0800 |
|---|---|---|
| committer | Christopher Ferris <cferris@google.com> | 2018-11-13 09:53:58 -0800 |
| commit | 75569e30c58d71c4311b90f7605847279df5c5ed (patch) | |
| tree | f6eccee54714a68db6aedb5cf5163dfa59dfc02b /include | |
| parent | c6954b2064a82404e747d9a763fe8e8d7135e202 (diff) | |
| download | platform_external_jemalloc_new-75569e30c58d71c4311b90f7605847279df5c5ed.tar.gz platform_external_jemalloc_new-75569e30c58d71c4311b90f7605847279df5c5ed.tar.bz2 platform_external_jemalloc_new-75569e30c58d71c4311b90f7605847279df5c5ed.zip | |
Change the minimum map size.
Change the minimum size of a map to make sure that the entropy of
allocations is no worse than jemalloc4. At a future point, we should see
how increasing entropy affects performance.
Test: All unit tests pass.
Change-Id: I644f4fc84fa4ad80ce37fecbe48accbd6cb1034e
Diffstat (limited to 'include')
| -rw-r--r-- | include/jemalloc/internal/jemalloc_internal_defs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/jemalloc/internal/jemalloc_internal_defs.h b/include/jemalloc/internal/jemalloc_internal_defs.h index 15886468..c76953ad 100644 --- a/include/jemalloc/internal/jemalloc_internal_defs.h +++ b/include/jemalloc/internal/jemalloc_internal_defs.h @@ -215,7 +215,12 @@ * system does not explicitly support huge pages; system calls that require * explicit huge page support are separately configured. */ +/* ANDROID NOTE: This determines how big a default map'd page is. */ +#if !defined(__LP64__) +#define LG_HUGEPAGE 20 +#else #define LG_HUGEPAGE 21 +#endif /* * If defined, adjacent virtual memory mappings with identical attributes |