Hi, There doesn't seem to be much more discussion about this, so let's kick it along a bit. I tried to reclaim a page flag because I can't bring myself to ifdef it to 64-bit only, but otherwise the patches don't depend on each other at all. Thanks, Nick Nicholas Piggin (2): mm: Use owner_priv bit for PageSwapCache, valid when PageSwapBacked mm: add PageWaiters bit to indicate waitqueue should be checked include/linux/page-flags.h | 14 +++- include/linux/pagemap.h | 23 +++--- include/trace/events/mmflags.h | 2 +- mm/filemap.c | 157 ++++++++++++++++++++++++++++++++--------- mm/swap.c | 2 + 5 files changed, 148 insertions(+), 50 deletions(-) -- 2.9.3 -- 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>