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-rw-r--r--git-compat-util.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h
index d29e1df..9de3180 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -704,6 +704,17 @@ void git_qsort(void *base, size_t nmemb, size_t size,
#endif
#endif
+#if defined(__GNUC__) && defined(__x86_64__)
+#include <emmintrin.h>
+/*
+ * This is the system memory page size; it's used so that we can read
+ * outside the bounds of an allocation without segfaulting.
+ */
+#ifndef PAGE_SIZE
+#define PAGE_SIZE 4096
+#endif
+#endif
+
#ifdef UNRELIABLE_FSTAT
#define fstat_is_reliable() 0
#else