use mmap() for files of any size. This should be much more buffer

cache friendly.

1 files changed, 11 insertions, 0 deletions

diff --git a/syscall.c b/syscall.c
index c655969e..a8470e14 100644
--- a/syscall.c
+++ b/syscall.c
@@ -149,6 +149,17 @@ OFF_T do_lseek(int fd, OFF_T offset, int whence)
 #endif
 }
 
+#if HAVE_MMAP
+void *do_mmap(void *start, int len, int prot, int flags, int fd, OFF_T offset)
+{
+#if HAVE_OFF64_T
+	return mmap64(start, len, prot, flags, fd, offset);
+#else
+	return mmap(start, len, prot, flags, fd, offset);
+#endif
+}
+#endif
+
 char *d_name(struct dirent *di)
 {
 #if HAVE_BROKEN_READDIR