On 10/07/2013 06:28 AM, Mel Gorman wrote: > The zero page is not replicated between nodes and is often shared between > processes. The data is read-only and likely to be cached in local CPUs > if heavily accessed meaning that the remote memory access cost is less > of a concern. This patch prevents trapping faults on the zero pages. For > tasks using the zero page this will reduce the number of PTE updates, > TLB flushes and hinting faults. > > [pet...@infradead.org: Correct use of is_huge_zero_page] > Signed-off-by: Mel Gorman <mgor...@suse.de>
Reviewed-by: Rik van Riel <r...@redhat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
