On Fri, Aug 02, 2013 at 06:06:32PM +0200, Andrea Arcangeli wrote: > The min wmark should be satisfied with just 1 hugepage. And the other > wmarks should be adjusted accordingly. We need to succeed the low > wmark check if there's some significant amount of 0 order pages, but > we don't need plenty of high order pages because the PF_MEMALLOC paths > don't require those. Creating a ton of high order pages that cannot be > allocated by the high order allocation paths (no PF_MEMALLOC) is quite > wasteful because they can be splitted in lower order pages before > anybody has a chance to allocate them. > > Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> -- 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>