On Sun, Oct 27, 2013 at 07:51:15PM +0800, Ming Lei wrote: > diff --git a/lib/scatterlist.c b/lib/scatterlist.c > index a685c8a..eea8806 100644 > --- a/lib/scatterlist.c > +++ b/lib/scatterlist.c > @@ -577,7 +577,7 @@ void sg_miter_stop(struct sg_mapping_iter *miter) > miter->__offset += miter->consumed; > miter->__remaining -= miter->consumed; > > - if (miter->__flags & SG_MITER_TO_SG) > + if ((miter->__flags & SG_MITER_TO_SG) && !PageSlab(page)) This is what I was going to propose, but I would have used !PageSlab(miter->page) ;-) > flush_kernel_dcache_page(miter->page); With this, a kernel with DEBUG_VM now boots on Kirkwood. - Simon -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>