On Wed, Jun 1, 2011 at 5:41 PM, Cyril Hrubis <me...@ucw.cz> wrote: > Hi! > The 3.0-rc1 no longer boots on spitz see the attached Oops. > > The bisecting pointed to this commit, reverting it machine boots again. > > commit a197b59ae6e8bee56fcef37ea2482dc08414e2ac > Author: David Rientjes <rient...@google.com> > Date: Tue May 24 17:12:35 2011 -0700 > > mm: fail GFP_DMA allocations when ZONE_DMA is not configured > > The page allocator will improperly return a page from ZONE_NORMAL even > when __GFP_DMA is passed if CONFIG_ZONE_DMA is disabled. The caller > expects DMA memory, perhaps for ISA devices with 16-bit address registers, > and may get higher memory resulting in undefined behavior. > > This patch causes the page allocator to return NULL in such circumstances > with a warning emitted to the kernel log on the first occurrence. > > Signed-off-by: David Rientjes <rient...@google.com> > Cc: Mel Gorman <m...@csn.ul.ie> > Cc: KOSAKI Motohiro <kosaki.motoh...@jp.fujitsu.com> > Cc: KAMEZAWA Hiroyuki <kamezawa.hir...@jp.fujitsu.com> > Cc: Rik van Riel <r...@redhat.com> > Signed-off-by: Andrew Morton <a...@linux-foundation.org> > Signed-off-by: Linus Torvalds <torva...@linux-foundation.org> > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 01e6b61..10a8c6d 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -2247,6 +2247,10 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int > order, > > if (should_fail_alloc_page(gfp_mask, order)) > return NULL; > +#ifndef CONFIG_ZONE_DMA > + if (WARN_ON_ONCE(gfp_mask & __GFP_DMA)) > + return NULL; > +#endif > > /* > * Check the zones suitable for the gfp_mask contain at least one > > -- > metan > > _______________________________________________ > Zaurus-devel mailing list > Zaurus-devel@lists.linuxtogo.org > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/zaurus-devel >
ah, that IrDA driver fails on PXA255 thread... Russel is a bit upset :/ _______________________________________________ Zaurus-devel mailing list Zaurus-devel@lists.linuxtogo.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/zaurus-devel
