Re: [REGRESSION] [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

2014-09-29 Thread Joonsoo Kim
On Sat, Sep 27, 2014 at 11:24:49PM -0700, Jeremiah Mahler wrote: > On Thu, Aug 21, 2014 at 05:11:13PM +0900, Joonsoo Kim wrote: > > Because of chicken and egg problem, initializaion of SLAB is really > > complicated. We need to allocate cpu cache through SLAB to make > > the kmem_cache works, but,

Re: [REGRESSION] [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

2014-09-29 Thread Joonsoo Kim
On Sat, Sep 27, 2014 at 11:24:49PM -0700, Jeremiah Mahler wrote: On Thu, Aug 21, 2014 at 05:11:13PM +0900, Joonsoo Kim wrote: Because of chicken and egg problem, initializaion of SLAB is really complicated. We need to allocate cpu cache through SLAB to make the kmem_cache works, but, before

Re: [REGRESSION] [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

2014-09-28 Thread Jeremiah Mahler
On Sun, Sep 28, 2014 at 11:38:51AM -0500, Christoph Lameter wrote: > On Sat, 27 Sep 2014, Jeremiah Mahler wrote: > > > I just encountered a problem on a Lenovo Carbon X1 where it will > > suspend but won't resume. A bisect indicated that this patch > > is causing the problem. > > Could you

Re: [REGRESSION] [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

2014-09-28 Thread Christoph Lameter
On Sat, 27 Sep 2014, Jeremiah Mahler wrote: > I just encountered a problem on a Lenovo Carbon X1 where it will > suspend but won't resume. A bisect indicated that this patch > is causing the problem. Could you please not quote the whole patch. Took me a while to find what you were saying. >

Re: [REGRESSION] [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

2014-09-28 Thread Jeremiah Mahler
On Thu, Aug 21, 2014 at 05:11:13PM +0900, Joonsoo Kim wrote: > Because of chicken and egg problem, initializaion of SLAB is really > complicated. We need to allocate cpu cache through SLAB to make > the kmem_cache works, but, before initialization of kmem_cache, > allocation through SLAB is

Re: [REGRESSION] [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

2014-09-28 Thread Jeremiah Mahler
On Thu, Aug 21, 2014 at 05:11:13PM +0900, Joonsoo Kim wrote: Because of chicken and egg problem, initializaion of SLAB is really complicated. We need to allocate cpu cache through SLAB to make the kmem_cache works, but, before initialization of kmem_cache, allocation through SLAB is

Re: [REGRESSION] [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

2014-09-28 Thread Christoph Lameter
On Sat, 27 Sep 2014, Jeremiah Mahler wrote: I just encountered a problem on a Lenovo Carbon X1 where it will suspend but won't resume. A bisect indicated that this patch is causing the problem. Could you please not quote the whole patch. Took me a while to find what you were saying.

Re: [REGRESSION] [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

2014-09-28 Thread Jeremiah Mahler
On Sun, Sep 28, 2014 at 11:38:51AM -0500, Christoph Lameter wrote: On Sat, 27 Sep 2014, Jeremiah Mahler wrote: I just encountered a problem on a Lenovo Carbon X1 where it will suspend but won't resume. A bisect indicated that this patch is causing the problem. Could you please not