kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-05-06 15:29:31 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

merge from dev

Browse source
This commit is contained in:
Daan Leijen 2022-01-10 15:40:22 -08:00
commit a763b6310d
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/os.c
View file

@ -917,12 +917,12 @@ static bool mi_os_commitx(void* addr, size_t size, bool commit, bool conservativ
if (err != 0) { err = errno; }
}
else {
#if defined(MADV_DONTNEED)
#if defined(MADV_DONTNEED) && MI_DEBUG == 0 && MI_SECURE == 0
// decommit: use MADV_DONTNEED as it decreases rss immediately (unlike MADV_FREE)
// (on the other hand, MADV_FREE would be good enough.. it is just not reflected in the stats :-( )
err = madvise(start, csize, MADV_DONTNEED);
#else
// decommit: just disable access
// decommit: just disable access (also used in debug and secure mode to trap on illegal access)
err = mprotect(start, csize, PROT_NONE);
if (err != 0) { err = errno; }
#endif