On Tue, Feb 05, 2013 at 05:21:52PM +0800, Lin Feng wrote: > get_user_pages() always tries to allocate pages from movable zone, which is > not > reliable to memory hotremove framework in some case. > > This patch introduces a new library function called > get_user_pages_non_movable() > to pin pages only from zone non-movable in memory. > It's a wrapper of get_user_pages() but it makes sure that all pages come from > non-movable zone via additional page migration. > > Cc: Andrew Morton <[email protected]> > Cc: Mel Gorman <[email protected]> > Cc: KAMEZAWA Hiroyuki <[email protected]> > Cc: Yasuaki Ishimatsu <[email protected]> > Cc: Jeff Moyer <[email protected]> > Cc: Minchan Kim <[email protected]> > Cc: Zach Brown <[email protected]> > Reviewed-by: Tang Chen <[email protected]> > Reviewed-by: Gu Zheng <[email protected]> > Signed-off-by: Lin Feng <[email protected]>
I already had started the review of V1 before this was sent unfortunately. However, I think the feedback I gave for V1 is still valid so I'll wait for comments on that review before digging further. -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
