On Mon, Nov 04, 2013 at 08:39:24PM +0800, Bob Liu wrote: > Currently the goal_page in xen-selfballon doesn't consider much about pages > used > in kernel space. > A typical usage is slab pages, without consider slab pages the goal_page > result > may be too rough and lead extra memory pressure to guest os.
Does "lead extra memory pressure" mean OOM? > > Signed-off-by: Bob Liu <[email protected]> > --- > drivers/xen/xen-selfballoon.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c > index 21e18c1..4814759 100644 > --- a/drivers/xen/xen-selfballoon.c > +++ b/drivers/xen/xen-selfballoon.c > @@ -191,6 +191,8 @@ static void selfballoon_process(struct work_struct *work) > tgt_pages = cur_pages; /* default is no change */ > goal_pages = vm_memory_committed() + > totalreserve_pages + > + global_page_state(NR_SLAB_RECLAIMABLE) + > + global_page_state(NR_SLAB_UNRECLAIMABLE) + > MB2PAGES(selfballoon_reserved_mb); > #ifdef CONFIG_FRONTSWAP > /* allow space for frontswap pages to be repatriated */ > -- > 1.7.10.4 > -- 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/
