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[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>
hifive-unleashed-5.1
Al Viro 2006-10-10 22:47:57 +01:00 committed by Linus Torvalds
parent fa1f5ea860
commit 20241ad409
1 changed files with 3 additions and 3 deletions
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6
lib/radix-tree.c
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@ -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));
}
/*