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-rw-r--r--main/streams/php_stream_mmap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/main/streams/php_stream_mmap.h b/main/streams/php_stream_mmap.h
index 132f3214c1..40288cc27f 100644
--- a/main/streams/php_stream_mmap.h
+++ b/main/streams/php_stream_mmap.h
@@ -58,6 +58,8 @@ typedef struct {
#define PHP_STREAM_MMAP_ALL 0
+#define PHP_STREAM_MMAP_MAX (512 * 1024 * 1024)
+
#define php_stream_mmap_supported(stream) (_php_stream_set_option((stream), PHP_STREAM_OPTION_MMAP_API, PHP_STREAM_MMAP_SUPPORTED, NULL) == 0 ? 1 : 0)
/* Returns 1 if the stream in its current state can be memory mapped,