Re: [PATCH] mm/slub: use unchecked percpu access within preemptible sections

2015-01-21 Thread Joonsoo Kim
On Wed, Jan 21, 2015 at 09:27:41PM -0500, Sasha Levin wrote: > On 01/21/2015 08:59 PM, Joonsoo Kim wrote: > > On Tue, Jan 20, 2015 at 11:31:43PM -0500, Sasha Levin wrote: > >> > Commit "mm/slub: optimize alloc/free fastpath by removing preemption > >> > on/off" > >> > has added access to percpu me

Re: [PATCH] mm/slub: use unchecked percpu access within preemptible sections

2015-01-21 Thread Sasha Levin
On 01/21/2015 08:59 PM, Joonsoo Kim wrote: > On Tue, Jan 20, 2015 at 11:31:43PM -0500, Sasha Levin wrote: >> > Commit "mm/slub: optimize alloc/free fastpath by removing preemption >> > on/off" >> > has added access to percpu memory while the code is preemptible. >> > >> > While those accesses are

Re: [PATCH] mm/slub: use unchecked percpu access within preemptible sections

2015-01-21 Thread Joonsoo Kim
On Tue, Jan 20, 2015 at 11:31:43PM -0500, Sasha Levin wrote: > Commit "mm/slub: optimize alloc/free fastpath by removing preemption on/off" > has added access to percpu memory while the code is preemptible. > > While those accesses are okay, this creates a huge amount of warnings from > the code t

[PATCH] mm/slub: use unchecked percpu access within preemptible sections

2015-01-20 Thread Sasha Levin
Commit "mm/slub: optimize alloc/free fastpath by removing preemption on/off" has added access to percpu memory while the code is preemptible. While those accesses are okay, this creates a huge amount of warnings from the code that checks for that. Signed-off-by: Sasha Levin --- mm/slub.c |8