diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 09:28:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 09:28:04 -0700 |
| commit | c4fd308ed62f292518363ea9c6c2adb3c2d95f9d (patch) | |
| tree | d6b4e36159e502a43a91ade86379703442204fc5 /include/linux/rbtree.h | |
| parent | 96fbeb973a7e17594a429537201611ca0b395622 (diff) | |
| parent | 1f9cc3cb6a27521edfe0a21abf97d2bb11c4d237 (diff) | |
| download | lwn-c4fd308ed62f292518363ea9c6c2adb3c2d95f9d.tar.gz lwn-c4fd308ed62f292518363ea9c6c2adb3c2d95f9d.zip | |
Merge branch 'x86-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, pat: Update the page flags for memtype atomically instead of using memtype_lock
x86, pat: In rbt_memtype_check_insert(), update new->type only if valid
x86, pat: Migrate to rbtree only backend for pat memtype management
x86, pat: Preparatory changes in pat.c for bigger rbtree change
rbtree: Add support for augmented rbtrees
Diffstat (limited to 'include/linux/rbtree.h')
| -rw-r--r-- | include/linux/rbtree.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index 5210a5c60877..fe1872e5b37e 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -110,6 +110,7 @@ struct rb_node struct rb_root { struct rb_node *rb_node; + void (*augment_cb)(struct rb_node *node); }; @@ -129,7 +130,9 @@ static inline void rb_set_color(struct rb_node *rb, int color) rb->rb_parent_color = (rb->rb_parent_color & ~1) | color; } -#define RB_ROOT (struct rb_root) { NULL, } +#define RB_ROOT (struct rb_root) { NULL, NULL, } +#define RB_AUGMENT_ROOT(x) (struct rb_root) { NULL, x} + #define rb_entry(ptr, type, member) container_of(ptr, type, member) #define RB_EMPTY_ROOT(root) ((root)->rb_node == NULL) |