On Tue, Dec 13, 2011 at 04:28:43PM +0100, Uwe Kleine-König wrote: > Hello Johannes, > > On Tue, Dec 13, 2011 at 02:58:30PM +0100, Johannes Weiner wrote: > > The area node_bootmem_map represents is aligned to BITS_PER_LONG, and > > all bits in any aligned word of that map valid. When the represented > > area extends beyond the end of the node, the non-existant pages will > > be marked as reserved. > > > > As a result, when freeing a page block, doing an explicit range check > > for whether that block is within the node's range is redundant as the > > bitmap is consulted anyway to see whether all pages in the block are > > unreserved. > > > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> > I suggest to drop my patch then and add something like > > Reported-by: $me > > to this one instead. Your patch is a real and obvious fix, while mine is just a cleanup but has more obscure dependencies on how the bitmap is managed. If you don't mind, I would prefer to keep them as separate changes. > Other than that I will give your series a spin on my ARM machine later > today. Thanks a lot! -- 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>