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-rw-r--r--include/linux/slub_def.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index ca0c076b2374..c8668d161dd8 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -177,7 +177,8 @@ static __always_inline int kmalloc_index(size_t size)
if (size <= 4 * 1024) return 12;
/*
* The following is only needed to support architectures with a larger page
- * size than 4k.
+ * size than 4k. We need to support 2 * PAGE_SIZE here. So for a 64k page
+ * size we would have to go up to 128k.
*/
if (size <= 8 * 1024) return 13;
if (size <= 16 * 1024) return 14;
@@ -188,7 +189,8 @@ static __always_inline int kmalloc_index(size_t size)
if (size <= 512 * 1024) return 19;
if (size <= 1024 * 1024) return 20;
if (size <= 2 * 1024 * 1024) return 21;
- return -1;
+ BUG();
+ return -1; /* Will never be reached */
/*
* What we really wanted to do and cannot do because of compiler issues is: