On 12/09/2013 02:09 AM, Mel Gorman wrote: > On a protection change it is no longer clear if the page should be still > accessible. This patch clears the NUMA hinting fault bits on a protection > change. I had to think about this one, because my first thought was "wait, aren't NUMA ptes inaccessible already?". Then I thought about doing things like adding read or write permission in the mprotect, eg. changing from PROT_NONE to PROT_READ ... and it became unclear what to do with the NUMA bit in that case... This patch clears up some confusing situations :) > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Mel Gorman <mgorman@xxxxxxx> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> -- All rights reversed -- 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>