/*
 * mm/interval_tree.c - interval tree for mapping->i_mmap
 *
 * Copyright (C) 2012, Michel Lespinasse <walken@google.com>
 *
 * This file is released under the GPL v2.
 */

#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/rmap.h>
#include <linux/interval_tree_generic.h>

static inline unsigned long vma_start_pgoff(struct vm_area_struct *v)
{
	return v->vm_pgoff;
}

static inline unsigned long vma_last_pgoff(struct vm_area_struct *v)
{
	return v->vm_pgoff + ((v->vm_end - v->vm_start) >> PAGE_SHIFT) - 1;
}

INTERVAL_TREE_DEFINE(struct vm_area_struct, shared.rb,
		     unsigned long, shared.rb_subtree_last,
		     vma_start_pgoff, vma_last_pgoff,, vma_interval_tree)

/* Insert node immediately after prev in the interval tree */
void vma_interval_tree_insert_after(struct vm_area_struct *node,
				    struct vm_area_struct *prev,
				    struct rb_root *root)
{
	struct rb_node **link;
	struct vm_area_struct *parent;
	unsigned long last = vma_last_pgoff(node);

	VM_BUG_ON_VMA(vma_start_pgoff(node) != vma_start_pgoff(prev), node);

	if (!prev->shared.rb.rb_right) {
		parent = prev;
		link = &prev->shared.rb.rb_right;
	} else {
		parent = rb_entry(prev->shared.rb.rb_right,
				  struct vm_area_struct, shared.rb);
		if (parent->shared.rb_subtree_last < last)
			parent->shared.rb_subtree_last = last;
		while (parent->shared.rb.rb_left) {
			parent = rb_entry(parent->shared.rb.rb_left,
				struct vm_area_struct, shared.rb);
			if (parent->shared.rb_subtree_last < last)
				parent->shared.rb_subtree_last = last;
		}
		link = &parent->shared.rb.rb_left;
	}

	node->shared.rb_subtree_last = last;
	rb_link_node(&node->shared.rb, &parent->shared.rb, link);
	rb_insert_augmented(&node->shared.rb, root,
			    &vma_interval_tree_augment);
}

static inline unsigned long avc_start_pgoff(struct anon_vma_chain *avc)
{
	return vma_start_pgoff(avc->vma);
}

static inline unsigned long avc_last_pgoff(struct anon_vma_chain *avc)
{
	return vma_last_pgoff(avc->vma);
}

INTERVAL_TREE_DEFINE(struct anon_vma_chain, rb, unsigned long, rb_subtree_last,
		     avc_start_pgoff, avc_last_pgoff,
		     static inline, __anon_vma_interval_tree)

void anon_vma_interval_tree_insert(struct anon_vma_chain *node,
				   struct rb_root *root)
{
#ifdef CONFIG_DEBUG_VM_RB
	node->cached_vma_start = avc_start_pgoff(node);
	node->cached_vma_last = avc_last_pgoff(node);
#endif
	__anon_vma_interval_tree_insert(node, root);
}

void anon_vma_interval_tree_remove(struct anon_vma_chain *node,
				   struct rb_root *root)
{
	__anon_vma_interval_tree_remove(node, root);
}

struct anon_vma_chain *
anon_vma_interval_tree_iter_first(struct rb_root *root,
				  unsigned long first, unsigned long last)
{
	return __anon_vma_interval_tree_iter_first(root, first, last);
}

struct anon_vma_chain *
anon_vma_interval_tree_iter_next(struct anon_vma_chain *node,
				 unsigned long first, unsigned long last)
{
	return __anon_vma_interval_tree_iter_next(node, first, last);
}

#ifdef CONFIG_DEBUG_VM_RB
void anon_vma_interval_tree_verify(struct anon_vma_chain *node)
{
	WARN_ON_ONCE(node->cached_vma_start != avc_start_pgoff(node));
	WARN_ON_ONCE(node->cached_vma_last != avc_last_pgoff(node));
}
#endif
ate-remove&amp;id=6cfd3cd8d8365cf78db1d25cd276d3d900eb8541'>thermal</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/thermal/tmon?h=nds-private-remove&amp;id=6cfd3cd8d8365cf78db1d25cd276d3d900eb8541'>tmon</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/thermal/tmon/tmon.c?h=nds-private-remove&amp;id=6cfd3cd8d8365cf78db1d25cd276d3d900eb8541'>tmon.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/thermal/tmon/tmon.c?h=nds-private-remove&amp;id=6cfd3cd8d8365cf78db1d25cd276d3d900eb8541&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
n><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-24 12:38:43 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-24 12:38:43 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/sock.h?id=0263d4ebd94b36280608e296cba39b924b6e832b'>0263d4ebd94b36280608e296cba39b924b6e832b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/trace/events/sock.h?id=0263d4ebd94b36280608e296cba39b924b6e832b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=0263d4ebd94b36280608e296cba39b924b6e832b'>6e21b4b3d8e8fb12cdfcfd185d46992487265a9b</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/sock.h?id=0263d4ebd94b36280608e296cba39b924b6e832b'>include/trace/events/sock.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/sock.h?id=19ca2c8fecb1592d623fe5e82d6796f8d446268d'>19ca2c8fecb1592d623fe5e82d6796f8d446268d</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/sock.h?id=0263d4ebd94b36280608e296cba39b924b6e832b&amp;id2=19ca2c8fecb1592d623fe5e82d6796f8d446268d'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/sock.h?id=7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b'>7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/sock.h?id=0263d4ebd94b36280608e296cba39b924b6e832b&amp;id2=7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86</div><div class='commit-msg'>Pull x86 platform-driver fixes from Andy Shevchenko:
 "This is my first pull request since I become a co-maintainer of
  Platform Drivers x86 subsystem. It's a bit bigger than usual due to
  material collected for almost two weeks in a row.

  MAINTAINERS:
   - Add myself to X86 PLATFORM DRIVERS as a co-maintainer

  ideapad-laptop:
   - handle ACPI event 1

  intel_mid_powerbtn:
   - Set IRQ_ONESHOT

  surface3-wmi:
   - fix uninitialized symbol
   - Shut up unused-function warning

  mlx-platform:
   - free first dev on error"

* tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86:
  MAINTAINERS: Add myself to X86 PLATFORM DRIVERS as a co-maintainer
  platform/x86: ideapad-laptop: handle ACPI event 1
  platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT
  platform/x86: surface3-wmi: fix uninitialized symbol
  platform/x86: surface3-wmi: Shut up unused-function warning
  platform/x86: mlx-platform: free first dev on error
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0263d4ebd94b36280608e296cba39b924b6e832b'>Diffstat</a> (limited to 'include/trace/events/sock.h')</div><table summary='diffstat' class='diffstat'>