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-rw-r--r--include/linux/slub_def.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 5e2e7297dfaa..a9fb92862aaa 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -145,7 +145,12 @@ static inline struct kmem_cache *kmalloc_slab(size_t size)
if (index == 0)
return NULL;
- if (index < 0) {
+ /*
+ * This function only gets expanded if __builtin_constant_p(size), so
+ * testing it here shouldn't be needed. But some versions of gcc need
+ * help.
+ */
+ if (__builtin_constant_p(size) && index < 0) {
/*
* Generate a link failure. Would be great if we could
* do something to stop the compile here.