Re: [PATCHv2, RFC 10/30] thp, mm: locking tail page is a bug

2013-03-21 Thread Dave Hansen
On 03/14/2013 10:50 AM, Kirill A. Shutemov wrote: > index 0ff3403..38fdc92 100644 > --- a/mm/filemap.c > +++ b/mm/filemap.c > @@ -669,6 +669,7 @@ void __lock_page(struct page *page) > { > DEFINE_WAIT_BIT(wait, &page->flags, PG_locked); > > + VM_BUG_ON(PageTail(page)); > __wait_on

[PATCHv2, RFC 10/30] thp, mm: locking tail page is a bug

2013-03-14 Thread Kirill A. Shutemov
From: "Kirill A. Shutemov" Signed-off-by: Kirill A. Shutemov --- mm/filemap.c |2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/filemap.c b/mm/filemap.c index 0ff3403..38fdc92 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -669,6 +669,7 @@ void __lock_page(struct page *page) {