From 20241ad409fbc42d9e7f92f5fdb4783b7f1b36eb Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ftp.linux.org.uk>
Date: Tue, 10 Oct 2006 22:47:57 +0100
Subject: [PATCH] [PATCH] gfp annotations: radix_tree_root
struct radix_tree_root has unused upper bits of ->gfp_mask reused for
tags bitmap. Annotated.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
lib/radix-tree.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 637d55608de5..aa9bfd0bdbd1 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -160,13 +160,13 @@ static inline int tag_get(struct radix_tree_node *node, unsigned int tag,
static inline void root_tag_set(struct radix_tree_root *root, unsigned int tag)
{
- root->gfp_mask |= (1 << (tag + __GFP_BITS_SHIFT));
+ root->gfp_mask |= (__force gfp_t)(1 << (tag + __GFP_BITS_SHIFT));
}
static inline void root_tag_clear(struct radix_tree_root *root, unsigned int tag)
{
- root->gfp_mask &= ~(1 << (tag + __GFP_BITS_SHIFT));
+ root->gfp_mask &= (__force gfp_t)~(1 << (tag + __GFP_BITS_SHIFT));
}
static inline void root_tag_clear_all(struct radix_tree_root *root)
@@ -176,7 +176,7 @@ static inline void root_tag_clear_all(struct radix_tree_root *root)
static inline int root_tag_get(struct radix_tree_root *root, unsigned int tag)
{
- return root->gfp_mask & (1 << (tag + __GFP_BITS_SHIFT));
+ return (__force unsigned)root->gfp_mask & (1 << (tag + __GFP_BITS_SHIFT));
}
/*