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| author | Szabolcs Nagy <nsz@port70.net> | 2016-03-19 13:37:37 +0100 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2016-03-19 11:31:24 -0400 |
| commit | d578c74e677c9c29bfa0b5eec1f21506b9c05558 (patch) | |
| tree | a0ab2b66694ce28c78530b9ae9ef0646ce6f48b1 | |
| parent | b10ca0f560491ed9e353ead6e35f8992e9800c7a (diff) | |
| download | musl-d578c74e677c9c29bfa0b5eec1f21506b9c05558.tar.gz musl-d578c74e677c9c29bfa0b5eec1f21506b9c05558.tar.bz2 musl-d578c74e677c9c29bfa0b5eec1f21506b9c05558.tar.xz musl-d578c74e677c9c29bfa0b5eec1f21506b9c05558.zip | |
add MADV_FREE madvise command from linux v4.5
allows the os to free the marked pages lazily on memory pressure.
expected to increase malloc performance.
new in linux commit 854e9ed09dedf0c19ac8640e91bcc74bc3f9e5c9
| -rw-r--r-- | include/sys/mman.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sys/mman.h b/include/sys/mman.h index 596a03a7..8a5149c9 100644 --- a/include/sys/mman.h +++ b/include/sys/mman.h @@ -62,6 +62,7 @@ extern "C" { #define MADV_SEQUENTIAL 2 #define MADV_WILLNEED 3 #define MADV_DONTNEED 4 +#define MADV_FREE 8 #define MADV_REMOVE 9 #define MADV_DONTFORK 10 #define MADV_DOFORK 11 |