On Mon, 19 Mar 2012 09:33:24 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
> (2012/03/17 2:23), Kautuk Consul wrote:
>
> > The comment above __insert_vm_struct seems to suggest that this
> > function is also going to link the VMA with the anon_vma, but
> > this is not true.
> > This function only links the VMA to the mm->mm_rb tree and the mm->mmap linked
> > list.
> >
> > Signed-off-by: Kautuk Consul <consul.kautuk@xxxxxxxxx>
> > ---
> > mm/mmap.c | 4 ++--
> > 1 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/mm/mmap.c b/mm/mmap.c
> > index da15a79..6328a36 100644
> > --- a/mm/mmap.c
> > +++ b/mm/mmap.c
> > @@ -452,8 +452,8 @@ static void vma_link(struct mm_struct *mm, struct vm_area_struct *vma,
> >
> > /*
> > * Helper for vma_adjust in the split_vma insert case:
> > - * insert vm structure into list and rbtree and anon_vma,
> > - * but it has already been inserted into prio_tree earlier.
> > + * insert vm structure into list and rbtree, but it has
> > + * already been inserted into prio_tree earlier.
> > */
> > static void __insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma)
> > {
>
>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
It's still a bit painful. I did this:
--- a/mm/mmap.c~mmapc-fix-comment-for-__insert_vm_struct-fix
+++ a/mm/mmap.c
@@ -452,9 +452,8 @@ static void vma_link(struct mm_struct *m
}
/*
- * Helper for vma_adjust in the split_vma insert case:
- * insert vm structure into list and rbtree, but it has
- * already been inserted into prio_tree earlier.
+ * Helper for vma_adjust() in the split_vma insert case: insert a vma into the
+ * mm's list and rbtree. It has already been inserted into the prio_tree.
*/
static void __insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma)
{
_
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>