romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-08-24 16:13:38 +03:00
Code Issues Projects Releases Packages Wiki Activity

Try to decommit new chunks.

Browse source 
Always leave decommit disabled on non-Windows systems.
This commit is contained in:
Jason Evans 2015-08-12 10:26:54 -07:00
parent 1f27abc1b1
commit 03bf5b67be
4 changed files with 27 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/pages.c
View file

@ -102,7 +102,13 @@ pages_commit_impl(void *addr, size_t size, bool commit)
{
#ifndef _WIN32
if (config_debug) {
/*
* The following decommit/commit implementation is functional, but
* always disabled because it doesn't add value beyong improved
* debugging (at the cost of extra system calls) on systems that
* overcommit.
*/
if (false) {
int prot = commit ? (PROT_READ | PROT_WRITE) : PROT_NONE;
void *result = mmap(addr, size, prot, MAP_PRIVATE | MAP_ANON |
MAP_FIXED, -1, 0);