pagemap: cast to size_t then do bit manip

Makes the CHERI compiler happier
2019-11-26 18:13:22 +00:00
parent 5ae8ecedee
commit 7afc6da566
1 changed files with 1 additions and 1 deletions
--- a/src/mem/pagemap.h
+++ b/src/mem/pagemap.h
@@ -387,7 +387,7 @@ namespace snmalloc
     */
    size_t index_for_address(uintptr_t p)
    {
-      return reinterpret_cast<size_t>((p >> SHIFT) & (OS_PAGE_SIZE - 1));
+      return bits::align_down(static_cast<size_t>(p) >> SHIFT, OS_PAGE_SIZE);
    }

    /**