From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Christoph Lameter <cl@linux.com>
Cc: linux-mm@kvack.org, Vladimir Davydov <vdavydov@virtuozzo.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
brouer@redhat.com
Subject: Re: [PATCH 01/10] slub: cleanup code for kmem cgroup support to kmem_cache_free_bulk
Date: Thu, 7 Jan 2016 18:41:30 +0100 [thread overview]
Message-ID: <20160107184130.22987ca1@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1601070953460.28564@east.gentwo.org>
On Thu, 7 Jan 2016 09:54:24 -0600 (CST)
Christoph Lameter <cl@linux.com> wrote:
> On Thu, 7 Jan 2016, Jesper Dangaard Brouer wrote:
>
> > + /* Support for memcg, compiler can optimize this out */
> > + *s = cache_from_obj(*s, object);
> > +
>
> Well the indirection on *s presumably cannot be optimized out. And the
> indirection is not needed when cgroups are not active.
The indirection is optimized out, because build_detached_freelist is
inlined (and I marked it so for readability (even-though it was getting
inlined before by GCC)).
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
Author of http://www.iptv-analyzer.org
LinkedIn: http://www.linkedin.com/in/brouer
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next prev parent reply other threads:[~2016-01-07 17:41 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-07 14:03 [PATCH 00/10] MM: More bulk API work Jesper Dangaard Brouer
2016-01-07 14:03 ` [PATCH 01/10] slub: cleanup code for kmem cgroup support to kmem_cache_free_bulk Jesper Dangaard Brouer
2016-01-07 15:54 ` Christoph Lameter
2016-01-07 17:41 ` Jesper Dangaard Brouer [this message]
2016-01-08 2:58 ` Joonsoo Kim
2016-01-08 11:05 ` Jesper Dangaard Brouer
2016-01-07 14:03 ` [PATCH 02/10] mm/slab: move SLUB alloc hooks to common mm/slab.h Jesper Dangaard Brouer
2016-01-07 14:03 ` [PATCH 03/10] mm: fault-inject take over bootstrap kmem_cache check Jesper Dangaard Brouer
2016-01-07 14:03 ` [PATCH 04/10] slab: use slab_pre_alloc_hook in SLAB allocator shared with SLUB Jesper Dangaard Brouer
2016-01-08 3:05 ` Joonsoo Kim
2016-01-07 14:03 ` [PATCH 05/10] mm: kmemcheck skip object if slab allocation failed Jesper Dangaard Brouer
2016-01-07 14:04 ` [PATCH 06/10] slab: use slab_post_alloc_hook in SLAB allocator shared with SLUB Jesper Dangaard Brouer
2016-01-07 14:04 ` [PATCH 07/10] slab: implement bulk alloc in SLAB allocator Jesper Dangaard Brouer
2016-01-07 14:04 ` [PATCH 08/10] slab: avoid running debug SLAB code with IRQs disabled for alloc_bulk Jesper Dangaard Brouer
2016-01-07 14:04 ` [PATCH 09/10] slab: implement bulk free in SLAB allocator Jesper Dangaard Brouer
2016-01-07 14:04 ` [PATCH 10/10] mm: new API kfree_bulk() for SLAB+SLUB allocators Jesper Dangaard Brouer
2016-01-08 3:03 ` Joonsoo Kim
2016-01-08 11:20 ` Jesper Dangaard Brouer
2016-01-07 18:54 ` [PATCH 00/10] MM: More bulk API work Linus Torvalds
2016-01-12 15:13 ` [PATCH V2 00/11] " Jesper Dangaard Brouer
2016-01-12 15:13 ` [PATCH V2 01/11] slub: cleanup code for kmem cgroup support to kmem_cache_free_bulk Jesper Dangaard Brouer
2016-01-12 15:13 ` [PATCH V2 02/11] mm/slab: move SLUB alloc hooks to common mm/slab.h Jesper Dangaard Brouer
2016-01-12 15:14 ` [PATCH V2 03/11] mm: fault-inject take over bootstrap kmem_cache check Jesper Dangaard Brouer
2016-01-12 15:14 ` [PATCH V2 04/11] slab: use slab_pre_alloc_hook in SLAB allocator shared with SLUB Jesper Dangaard Brouer
2016-01-12 15:14 ` [PATCH V2 05/11] mm: kmemcheck skip object if slab allocation failed Jesper Dangaard Brouer
2016-01-12 15:14 ` [PATCH V2 06/11] slab: use slab_post_alloc_hook in SLAB allocator shared with SLUB Jesper Dangaard Brouer
2016-01-12 15:15 ` [PATCH V2 07/11] slab: implement bulk alloc in SLAB allocator Jesper Dangaard Brouer
2016-01-12 15:15 ` [PATCH V2 08/11] slab: avoid running debug SLAB code with IRQs disabled for alloc_bulk Jesper Dangaard Brouer
2016-01-12 15:15 ` [PATCH V2 09/11] slab: implement bulk free in SLAB allocator Jesper Dangaard Brouer
2016-01-12 15:16 ` [PATCH V2 10/11] mm: new API kfree_bulk() for SLAB+SLUB allocators Jesper Dangaard Brouer
2016-01-12 15:16 ` [PATCH V2 11/11] mm: fix some spelling Jesper Dangaard Brouer
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