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| author | Christopher Ferris <cferris@google.com> | 2017-05-16 14:26:30 +0000 |
|---|---|---|
| committer | android-build-merger <android-build-merger@google.com> | 2017-05-16 14:26:30 +0000 |
| commit | b253d2c8837d296ee62bbf91366471fab1c7f407 (patch) | |
| tree | a2782e01107c9a30df9b22c8dcaf08cddc3083dd | |
| parent | 2b3ac544b561624cefce9d87c0f1eec0d530368e (diff) | |
| parent | 029ce303a1e7591f2da1b09b13a7b961afdde030 (diff) | |
| download | jemalloc-b253d2c8837d296ee62bbf91366471fab1c7f407.tar.gz | |
Change the decay timer default to 0. am: a6f685beac am: dadf1b6d04
am: 029ce303a1
Change-Id: I8408ec5a54ba0ea51afb5a81a44c5a44753edddd
| -rw-r--r-- | include/jemalloc/internal/arena.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/jemalloc/internal/arena.h b/include/jemalloc/internal/arena.h index 0792951..9e4bf04 100644 --- a/include/jemalloc/internal/arena.h +++ b/include/jemalloc/internal/arena.h @@ -30,13 +30,16 @@ typedef enum { purge_mode_limit = 2 } purge_mode_t; /* ANDROID change */ -/* Use the decay mode purge method. Do not set this value to zero, since - * forcing a purge immediately affects performance negatively. Using a - * small value provides a compromise between performance and extra PSS. +/* Use the decay mode purge method. + * Setting this value to zero results in performance issues because it + * causes purges at every free. Leave the default at zero, but zygote + * processes will set this to one using mallopt. This allows apps which + * tend to be active to benefit from the extra performance, but allow system + * servers to free PSS while they are sitting idle. */ #define PURGE_DEFAULT purge_mode_decay /* Default decay time in seconds. */ -#define DECAY_TIME_DEFAULT 1 +#define DECAY_TIME_DEFAULT 0 /* End ANDROID change */ /* Number of event ticks between time checks. */ #define DECAY_NTICKS_PER_UPDATE 1000 |