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-rw-r--r--ext/opcache/shared_alloc_mmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/opcache/shared_alloc_mmap.c b/ext/opcache/shared_alloc_mmap.c
index 389c79114a..6627633694 100644
--- a/ext/opcache/shared_alloc_mmap.c
+++ b/ext/opcache/shared_alloc_mmap.c
@@ -50,7 +50,7 @@ static int create_segments(size_t requested_size, zend_shared_segment ***shared_
#endif
#ifdef VM_MAKE_TAG
/* allows tracking segments via tools such as vmmap */
- fd = VM_MAKE_TAG(251);
+ fd = VM_MAKE_TAG(251U);
#endif
#ifdef MAP_HUGETLB
size_t huge_page_size = 2 * 1024 * 1024;