diff options
Diffstat (limited to 'src/pages.c')
| -rw-r--r-- | src/pages.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/pages.c b/src/pages.c index 444a97c..e80c365 100644 --- a/src/pages.c +++ b/src/pages.c @@ -170,6 +170,9 @@ pages_purge_lazy(void *addr, size_t size) { VirtualAlloc(addr, size, MEM_RESET, PAGE_READWRITE); #elif defined(JEMALLOC_PURGE_MADVISE_FREE) madvise(addr, size, MADV_FREE); +#elif defined(JEMALLOC_PURGE_MADVISE_DONTNEED) && \ + !defined(JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS) + madvise(addr, size, MADV_DONTNEED); #else not_reached(); #endif @@ -182,8 +185,12 @@ pages_purge_forced(void *addr, size_t size) { return true; } -#if defined(JEMALLOC_PURGE_MADVISE_DONTNEED) +#if defined(JEMALLOC_PURGE_MADVISE_DONTNEED) && \ + defined(JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS) return (madvise(addr, size, MADV_DONTNEED) != 0); +#elif defined(JEMALLOC_MAPS_COALESCE) + /* Try to overlay a new demand-zeroed mapping. */ + return pages_commit(addr, size); #else not_reached(); #endif |