Don't call getpagesize more than once

diff --git a/bfd/cache.c b/bfd/cache.c
index 67d3d17..a0a02e4 100644 (file)
--- a/bfd/cache.c
+++ b/bfd/cache.c
@@ -497,7 +497,8 @@ bfd_cache_init (bfd *abfd)
        return FALSE;
     }
 #ifdef HAVE_MMAP
-  pagesize_m1 = getpagesize () - 1;
+  if (pagesize_m1 == 0)
+    pagesize_m1 = getpagesize () - 1;
 #endif
   abfd->iovec = &cache_iovec;
   insert (abfd);