Messages in this thread |  | | Date | Thu, 17 Jan 2013 21:56:30 +0000 | From | Christoph Lameter <> | Subject | Re: [RFC][PATCH] slub: Check for page NULL before doing the node_match check |
| |
on Thu, 17 Jan 2013, Christoph Lameter wrote:
> Ditto which leaves us with: > > Index: linux/mm/slub.c > =================================================================== > --- linux.orig/mm/slub.c 2013-01-17 15:49:57.417491975 -0600 > +++ linux/mm/slub.c 2013-01-17 15:50:49.010287150 -0600 > @@ -1993,8 +1993,9 @@ static inline void flush_slab(struct kme > deactivate_slab(s, c->page, c->freelist); > > c->tid = next_tid(c->tid); > - c->page = NULL; > c->freelist = NULL; > + barrier(); > + c->page = NULL; > }
But the larger question is why is flush_slab() called with interrupts enabled?
RT?
|  |