* [PATCH] mm/vmalloc.c: use rb_entry_safe [not found] <1e433cd03b01a3e89a22de5aa160b3442ff0cf16.1482222608.git.geliangtang@gmail.com> @ 2016-12-20 13:57 ` Geliang Tang 2016-12-20 14:35 ` Michal Hocko 0 siblings, 1 reply; 2+ messages in thread From: Geliang Tang @ 2016-12-20 13:57 UTC (permalink / raw) To: Andrew Morton, zijun_hu, David Rientjes, Michal Hocko, Vladimir Davydov, Chris Wilson Cc: Geliang Tang, linux-mm, linux-kernel Use rb_entry_safe() instead of open-coding it. Signed-off-by: Geliang Tang <geliangtang@gmail.com> --- mm/vmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index a558438..b9999fc 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2309,7 +2309,7 @@ EXPORT_SYMBOL_GPL(free_vm_area); #ifdef CONFIG_SMP static struct vmap_area *node_to_va(struct rb_node *n) { - return n ? rb_entry(n, struct vmap_area, rb_node) : NULL; + return rb_entry_safe(n, struct vmap_area, rb_node); } /** -- 2.9.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] mm/vmalloc.c: use rb_entry_safe 2016-12-20 13:57 ` [PATCH] mm/vmalloc.c: use rb_entry_safe Geliang Tang @ 2016-12-20 14:35 ` Michal Hocko 0 siblings, 0 replies; 2+ messages in thread From: Michal Hocko @ 2016-12-20 14:35 UTC (permalink / raw) To: Geliang Tang Cc: Andrew Morton, zijun_hu, David Rientjes, Vladimir Davydov, Chris Wilson, linux-mm, linux-kernel On Tue 20-12-16 21:57:43, Geliang Tang wrote: > Use rb_entry_safe() instead of open-coding it. > > Signed-off-by: Geliang Tang <geliangtang@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> > --- > mm/vmalloc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/vmalloc.c b/mm/vmalloc.c > index a558438..b9999fc 100644 > --- a/mm/vmalloc.c > +++ b/mm/vmalloc.c > @@ -2309,7 +2309,7 @@ EXPORT_SYMBOL_GPL(free_vm_area); > #ifdef CONFIG_SMP > static struct vmap_area *node_to_va(struct rb_node *n) > { > - return n ? rb_entry(n, struct vmap_area, rb_node) : NULL; > + return rb_entry_safe(n, struct vmap_area, rb_node); > } > > /** > -- > 2.9.3 > -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 2+ messages in thread
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2016-12-20 13:57 ` [PATCH] mm/vmalloc.c: use rb_entry_safe Geliang Tang
2016-12-20 14:35 ` Michal Hocko
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