On 11/14/2012 03:50 AM, Ingo Molnar wrote:
From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> By accounting against the present PTEs, scanning speed reflects the actual present (mapped) memory. For this we modify mm/mprotect.c::change_protection() to return the number of ptes modified. (No change in functionality.)
We need to figure out what we actually want here. Do we want to mark 256MB as non-present, or do we want to leave behind 256MB of non-present (NUMA) memory? :) -- 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>