common/page.cc: _page_mask has too many bits

It's not used anywhere, but in case it is one day...

Signed-off-by: Dan Mick <dan.mick@redhat.com>

diff --git a/src/common/page.cc b/src/common/page.cc
index 6ba421544d59b7a0918990ce20b278152fa6a16d..7a252a60ba17bd66e4939cce9478d18177d5306b 100644 (file)
--- a/src/common/page.cc
+++ b/src/common/page.cc
@@ -14,6 +14,6 @@ namespace ceph {
 
   unsigned _page_size = sysconf(_SC_PAGESIZE);
   unsigned long _page_mask = ~(unsigned long)(_page_size - 1);
-  unsigned _page_shift = _get_bits_of(_page_size);
+  unsigned _page_shift = _get_bits_of(_page_size - 1);
 
 }