On Tue, Feb 22, 2011 at 9:12 AM, Andrea Righi <arighi@xxxxxxxxxxx> wrote: > Add the tracking of buffered (writeback) and anonymous pages. ... > --- > block/blk-throttle.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++- > include/linux/blkdev.h | 26 ++++++++++++++- > 2 files changed, 111 insertions(+), 2 deletions(-) > > diff --git a/block/blk-throttle.c b/block/blk-throttle.c > index 9ad3d1e..a50ee04 100644 > --- a/block/blk-throttle.c > +++ b/block/blk-throttle.c ... > +int blk_throtl_set_anonpage_owner(struct page *page, struct mm_struct *mm) > +int blk_throtl_set_filepage_owner(struct page *page, struct mm_struct *mm) > +int blk_throtl_copy_page_owner(struct page *npage, struct page *opage) It would be nice if these were named blk_cgroup_*. This is arguably more correct as the id comes from the blkio subsystem, and isn't specific to blk-throttle. This will be more important very shortly, as CFQ will be using this same cgroup id for async IO tracking soon. is_kernel_io() is a good idea, it avoids a bug that we've run into with CFQ async IO tracking. Why isn't PF_KTHREAD sufficient to cover all kernel threads, including kswapd and those marked PF_MEMALLOC? Thanks, Chad -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href