From 446b5b15d324dacd30f58313563a9d625fb54ac8 Mon Sep 17 00:00:00 2001 From: David Carlier Date: Tue, 21 Aug 2018 23:51:54 +0100 Subject: [PATCH] Don't report mmap failure if it is expected When using mmap with MAP_FIXED_NOREPLACE or MAP_FIXED|MAP_EXCL an mmap failure is not an error condition, so do not print an error message in this case. --- Zend/zend_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c index 8eec54c6f70..d81616a87a4 100644 --- a/Zend/zend_alloc.c +++ b/Zend/zend_alloc.c @@ -432,7 +432,7 @@ static void *zend_mm_mmap_fixed(void *addr, size_t size) void *ptr = mmap(addr, size, PROT_READ | PROT_WRITE, flags /*| MAP_POPULATE | MAP_HUGETLB*/, -1, 0); if (ptr == MAP_FAILED) { -#if ZEND_MM_ERROR +#if ZEND_MM_ERROR && !defined(MAP_FIXED_NOREPLACE) && !defined(MAP_EXCL) fprintf(stderr, "\nmmap() failed: [%d] %s\n", errno, strerror(errno)); #endif return NULL;