> No need for VM_BUG_ON(pc), since 'pc' is the list entry. This should > be VM_BUG_ON(page). > > Signed-off-by: Li Zefan <[EMAIL PROTECTED]> > Acked-by: KAMEZAWA Hiroyuki <[EMAIL PROTECTED]> > --- > mm/memcontrol.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/mm/memcontrol.c b/mm/memcontrol.c > index 6bded84..c2959ee 100644 > --- a/mm/memcontrol.c > +++ b/mm/memcontrol.c > @@ -534,7 +534,7 @@ unsigned long mem_cgroup_isolate_pages(unsigned long > nr_to_scan, > if (scan >= nr_to_scan) > break; > page = pc->page; > - VM_BUG_ON(!pc); > + VM_BUG_ON(!page);
can't page be NULL here if mem_cgroup_uncharge clears pc->page behind us? ie. bug. YAMAMOTO Takashi -- 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/
