On Mon, Jul 27, 2015 at 11:36:06AM -0400, Chris Metcalf wrote: > Bootmem isn't popular any more, but some architectures still use it, > and freeing to bootmem after calling free_all_bootmem_core() can end > up scribbling over random memory. Instead, make sure the kernel > generates a warning in this case by ensuring the node_bootmem_map > field is non-NULL when are freeing or marking bootmem. > > An instance of this bug was just fixed in the tile architecture > ("tile: use free_bootmem_late() for initrd") and catching this case > more widely seems like a good thing. > > Signed-off-by: Chris Metcalf <cmetcalf@xxxxxxxxxx> Acked-by: Mel Gorman <mgorman@xxxxxxx> -- Mel Gorman SUSE Labs -- 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>