Messages in this thread | | | Date | Tue, 10 Jun 2008 12:00:48 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [patch 7/7] powerpc: lockless get_user_pages_fast |
| |
On Thu, 5 Jun 2008, npiggin@suse.de wrote:
> Index: linux-2.6/include/linux/mm.h > =================================================================== > --- linux-2.6.orig/include/linux/mm.h > +++ linux-2.6/include/linux/mm.h > @@ -244,7 +244,7 @@ static inline int put_page_testzero(stru > */ > static inline int get_page_unless_zero(struct page *page) > { > - VM_BUG_ON(PageTail(page)); > + VM_BUG_ON(PageCompound(page)); > return atomic_inc_not_zero(&page->_count); > }
This is reversing the modification to make get_page_unless_zero() usable with compound page heads. Will break the slab defrag patchset.
| |