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Use regular huge pages instead of anonymous if available.

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This commit is contained in:
Dmitry Stogov 2015-09-02 15:55:41 +03:00
parent 111bd5d8c4
commit 6848cb3f63
1 changed files with 12 additions and 1 deletions
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13
Zend/zend_alloc.c
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@ -459,7 +459,18 @@ static void *zend_mm_mmap(size_t size)
}
return ptr;
#else
void *ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON /*| MAP_POPULATE | MAP_HUGETLB*/, -1, 0);
void *ptr;
#ifdef MAP_HUGETLB
if (size == ZEND_MM_CHUNK_SIZE) {
ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_HUGETLB, -1, 0);
if (ptr != MAP_FAILED) {
return ptr;
}
}
#endif
ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
if (ptr == MAP_FAILED) {
#if ZEND_MM_ERROR