> From: Vasiliy Kulikov <segooon@xxxxxxxxx> > > Use IS_ERR() instead of strict checking. Umm... I don't like this. IS_ERR() imply an argument is error code. but in this case, we don't use error code. -1 mean oom special purpose meaning value. So, if we take this direction, It would be better to use EAGAIN or something instead -1. > > Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx> > --- > Compile tested. > > mm/oom_kill.c | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/oom_kill.c b/mm/oom_kill.c > index fc81cb2..2ee3350 100644 > --- a/mm/oom_kill.c > +++ b/mm/oom_kill.c > @@ -514,7 +514,7 @@ void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask) > read_lock(&tasklist_lock); > retry: > p = select_bad_process(&points, limit, mem, NULL); > - if (!p || PTR_ERR(p) == -1UL) > + if (IS_ERR_OR_NULL(p)) > goto out; > > if (oom_kill_process(p, gfp_mask, 0, points, limit, mem, NULL, > @@ -691,7 +691,7 @@ retry: > p = select_bad_process(&points, totalpages, NULL, > constraint == CONSTRAINT_MEMORY_POLICY ? nodemask : > NULL); > - if (PTR_ERR(p) == -1UL) > + if (IS_ERR(p)) > goto out; > > /* Found nothing?!?! Either we hang forever, or we panic. */ > -- > 1.7.0.4 > -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>