On Tue, 3 Dec 2013, Mel Gorman wrote: > Commit 4b59e6c4 (mm, show_mem: suppress page counts in non-blockable > contexts) introduced SHOW_MEM_FILTER_PAGE_COUNT to suppress PFN walks > on large memory machines. Commit c78e9363 (mm: do not walk all of system > memory during show_mem) avoided a PFN walk in the generic show_mem helper > which removes the requirement for SHOW_MEM_FILTER_PAGE_COUNT in that case. > > This patch removes PFN walkers from the arch-specific implementations that > report on a per-node or per-zone granularity. ARM and unicore32 still do > a PFN walk as they report memory usage on each bank which is a much finer > granularity where the debugging information may still be of use. As the > remaining arches doing PFN walks have relatively small amounts of memory, > this patch simply removes SHOW_MEM_FILTER_PAGE_COUNT. > > Signed-off-by: Mel Gorman <mgorman@xxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx> Thanks! -- 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>