From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/include/linux/interval_tree.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 kernel/include/linux/interval_tree.h (limited to 'kernel/include/linux/interval_tree.h') diff --git a/kernel/include/linux/interval_tree.h b/kernel/include/linux/interval_tree.h new file mode 100644 index 000000000..724556aa3 --- /dev/null +++ b/kernel/include/linux/interval_tree.h @@ -0,0 +1,27 @@ +#ifndef _LINUX_INTERVAL_TREE_H +#define _LINUX_INTERVAL_TREE_H + +#include + +struct interval_tree_node { + struct rb_node rb; + unsigned long start; /* Start of interval */ + unsigned long last; /* Last location _in_ interval */ + unsigned long __subtree_last; +}; + +extern void +interval_tree_insert(struct interval_tree_node *node, struct rb_root *root); + +extern void +interval_tree_remove(struct interval_tree_node *node, struct rb_root *root); + +extern struct interval_tree_node * +interval_tree_iter_first(struct rb_root *root, + unsigned long start, unsigned long last); + +extern struct interval_tree_node * +interval_tree_iter_next(struct interval_tree_node *node, + unsigned long start, unsigned long last); + +#endif /* _LINUX_INTERVAL_TREE_H */ -- cgit 1.2.3-korg