From: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> To: Christoph Lameter <cl@linux.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>, David Rientjes <rientjes@google.com>, Han Pingtian <hanpt@linux.vnet.ibm.com>, Pekka Enberg <penberg@kernel.org>, Linux Memory Management List <linux-mm@kvack.org>, Paul Mackerras <paulus@samba.org>, Anton Blanchard <anton@samba.org>, Matt Mackall <mpm@selenic.com>, linuxppc-dev@lists.ozlabs.org, Wanpeng Li <liwanp@linux.vnet.ibm.com> Subject: Re: [RFC PATCH 2/3] topology: support node_numa_mem() for determining the fallback node Date: Tue, 18 Feb 2014 09:22:10 -0800 [thread overview] Message-ID: <20140218172209.GC31998@linux.vnet.ibm.com> (raw) In-Reply-To: <alpine.DEB.2.10.1402121612270.8183@nuc> On 12.02.2014 [16:16:11 -0600], Christoph Lameter wrote: > Here is another patch with some fixes. The additional logic is only > compiled in if CONFIG_HAVE_MEMORYLESS_NODES is set. > > Subject: slub: Memoryless node support > > Support memoryless nodes by tracking which allocations are failing. > Allocations targeted to the nodes without memory fall back to the > current available per cpu objects and if that is not available will > create a new slab using the page allocator to fallback from the > memoryless node to some other node. > > Signed-off-by: Christoph Lameter <cl@linux.com> Tested-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Acked-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> > Index: linux/mm/slub.c > =================================================================== > --- linux.orig/mm/slub.c 2014-02-12 16:07:48.957869570 -0600 > +++ linux/mm/slub.c 2014-02-12 16:09:22.198928260 -0600 > @@ -134,6 +134,10 @@ static inline bool kmem_cache_has_cpu_pa > #endif > } > > +#ifdef CONFIG_HAVE_MEMORYLESS_NODES > +static nodemask_t empty_nodes; > +#endif > + > /* > * Issues still to be resolved: > * > @@ -1405,16 +1409,28 @@ static struct page *new_slab(struct kmem > void *last; > void *p; > int order; > + int alloc_node; > > BUG_ON(flags & GFP_SLAB_BUG_MASK); > > page = allocate_slab(s, > flags & (GFP_RECLAIM_MASK | GFP_CONSTRAINT_MASK), node); > - if (!page) > + if (!page) { > +#ifdef CONFIG_HAVE_MEMORYLESS_NODES > + if (node != NUMA_NO_NODE) > + node_set(node, empty_nodes); > +#endif > goto out; > + } > > order = compound_order(page); > - inc_slabs_node(s, page_to_nid(page), page->objects); > + alloc_node = page_to_nid(page); > +#ifdef CONFIG_HAVE_MEMORYLESS_NODES > + node_clear(alloc_node, empty_nodes); > + if (node != NUMA_NO_NODE && alloc_node != node) > + node_set(node, empty_nodes); > +#endif > + inc_slabs_node(s, alloc_node, page->objects); > memcg_bind_pages(s, order); > page->slab_cache = s; > __SetPageSlab(page); > @@ -1722,7 +1738,7 @@ static void *get_partial(struct kmem_cac > struct kmem_cache_cpu *c) > { > void *object; > - int searchnode = (node == NUMA_NO_NODE) ? numa_node_id() : node; > + int searchnode = (node == NUMA_NO_NODE) ? numa_mem_id() : node; > > object = get_partial_node(s, get_node(s, searchnode), c, flags); > if (object || node != NUMA_NO_NODE) > @@ -2117,8 +2133,19 @@ static void flush_all(struct kmem_cache > static inline int node_match(struct page *page, int node) > { > #ifdef CONFIG_NUMA > - if (!page || (node != NUMA_NO_NODE && page_to_nid(page) != node)) > + int page_node = page_to_nid(page); > + > + if (!page) > return 0; > + > + if (node != NUMA_NO_NODE) { > +#ifdef CONFIG_HAVE_MEMORYLESS_NODES > + if (node_isset(node, empty_nodes)) > + return 1; > +#endif > + if (page_node != node) > + return 0; > + } > #endif > return 1; > } > -- 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>
WARNING: multiple messages have this Message-ID (diff)
From: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> To: Christoph Lameter <cl@linux.com> Cc: Han Pingtian <hanpt@linux.vnet.ibm.com>, Matt Mackall <mpm@selenic.com>, Pekka Enberg <penberg@kernel.org>, Linux Memory Management List <linux-mm@kvack.org>, Paul Mackerras <paulus@samba.org>, Anton Blanchard <anton@samba.org>, David Rientjes <rientjes@google.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, linuxppc-dev@lists.ozlabs.org, Wanpeng Li <liwanp@linux.vnet.ibm.com> Subject: Re: [RFC PATCH 2/3] topology: support node_numa_mem() for determining the fallback node Date: Tue, 18 Feb 2014 09:22:10 -0800 [thread overview] Message-ID: <20140218172209.GC31998@linux.vnet.ibm.com> (raw) In-Reply-To: <alpine.DEB.2.10.1402121612270.8183@nuc> On 12.02.2014 [16:16:11 -0600], Christoph Lameter wrote: > Here is another patch with some fixes. The additional logic is only > compiled in if CONFIG_HAVE_MEMORYLESS_NODES is set. > > Subject: slub: Memoryless node support > > Support memoryless nodes by tracking which allocations are failing. > Allocations targeted to the nodes without memory fall back to the > current available per cpu objects and if that is not available will > create a new slab using the page allocator to fallback from the > memoryless node to some other node. > > Signed-off-by: Christoph Lameter <cl@linux.com> Tested-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Acked-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> > Index: linux/mm/slub.c > =================================================================== > --- linux.orig/mm/slub.c 2014-02-12 16:07:48.957869570 -0600 > +++ linux/mm/slub.c 2014-02-12 16:09:22.198928260 -0600 > @@ -134,6 +134,10 @@ static inline bool kmem_cache_has_cpu_pa > #endif > } > > +#ifdef CONFIG_HAVE_MEMORYLESS_NODES > +static nodemask_t empty_nodes; > +#endif > + > /* > * Issues still to be resolved: > * > @@ -1405,16 +1409,28 @@ static struct page *new_slab(struct kmem > void *last; > void *p; > int order; > + int alloc_node; > > BUG_ON(flags & GFP_SLAB_BUG_MASK); > > page = allocate_slab(s, > flags & (GFP_RECLAIM_MASK | GFP_CONSTRAINT_MASK), node); > - if (!page) > + if (!page) { > +#ifdef CONFIG_HAVE_MEMORYLESS_NODES > + if (node != NUMA_NO_NODE) > + node_set(node, empty_nodes); > +#endif > goto out; > + } > > order = compound_order(page); > - inc_slabs_node(s, page_to_nid(page), page->objects); > + alloc_node = page_to_nid(page); > +#ifdef CONFIG_HAVE_MEMORYLESS_NODES > + node_clear(alloc_node, empty_nodes); > + if (node != NUMA_NO_NODE && alloc_node != node) > + node_set(node, empty_nodes); > +#endif > + inc_slabs_node(s, alloc_node, page->objects); > memcg_bind_pages(s, order); > page->slab_cache = s; > __SetPageSlab(page); > @@ -1722,7 +1738,7 @@ static void *get_partial(struct kmem_cac > struct kmem_cache_cpu *c) > { > void *object; > - int searchnode = (node == NUMA_NO_NODE) ? numa_node_id() : node; > + int searchnode = (node == NUMA_NO_NODE) ? numa_mem_id() : node; > > object = get_partial_node(s, get_node(s, searchnode), c, flags); > if (object || node != NUMA_NO_NODE) > @@ -2117,8 +2133,19 @@ static void flush_all(struct kmem_cache > static inline int node_match(struct page *page, int node) > { > #ifdef CONFIG_NUMA > - if (!page || (node != NUMA_NO_NODE && page_to_nid(page) != node)) > + int page_node = page_to_nid(page); > + > + if (!page) > return 0; > + > + if (node != NUMA_NO_NODE) { > +#ifdef CONFIG_HAVE_MEMORYLESS_NODES > + if (node_isset(node, empty_nodes)) > + return 1; > +#endif > + if (page_node != node) > + return 0; > + } > #endif > return 1; > } >
next prev parent reply other threads:[~2014-02-18 17:22 UTC|newest] Thread overview: 229+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-01-07 2:21 [PATCH] slub: Don't throw away partial remote slabs if there is no local memory Anton Blanchard 2014-01-07 2:21 ` Anton Blanchard 2014-01-07 4:19 ` Wanpeng Li 2014-01-07 4:19 ` Wanpeng Li 2014-01-07 4:19 ` Wanpeng Li 2014-01-08 14:17 ` Anton Blanchard 2014-01-08 14:17 ` Anton Blanchard 2014-01-07 4:19 ` Wanpeng Li 2014-01-07 6:49 ` Andi Kleen 2014-01-07 6:49 ` Andi Kleen 2014-01-08 14:03 ` Anton Blanchard 2014-01-08 14:03 ` Anton Blanchard 2014-01-07 7:41 ` Joonsoo Kim 2014-01-07 7:41 ` Joonsoo Kim 2014-01-07 8:48 ` Wanpeng Li 2014-01-07 8:48 ` Wanpeng Li 2014-01-07 8:48 ` Wanpeng Li 2014-01-07 8:48 ` Wanpeng Li 2014-01-07 9:10 ` Joonsoo Kim 2014-01-07 9:10 ` Joonsoo Kim 2014-01-07 9:21 ` Wanpeng Li 2014-01-07 9:21 ` Wanpeng Li 2014-01-07 9:31 ` Joonsoo Kim 2014-01-07 9:31 ` Joonsoo Kim 2014-01-07 9:49 ` Wanpeng Li 2014-01-07 9:49 ` Wanpeng Li 2014-01-07 9:49 ` Wanpeng Li 2014-01-07 9:49 ` Wanpeng Li 2014-01-07 9:21 ` Wanpeng Li 2014-01-07 9:21 ` Wanpeng Li 2014-01-07 9:52 ` Wanpeng Li 2014-01-07 9:52 ` Wanpeng Li 2014-01-07 9:52 ` Wanpeng Li 2014-01-09 0:20 ` Joonsoo Kim 2014-01-09 0:20 ` Joonsoo Kim 2014-01-07 9:52 ` Wanpeng Li 2014-01-20 9:10 ` Wanpeng Li 2014-01-20 9:10 ` Wanpeng Li 2014-01-20 9:10 ` Wanpeng Li 2014-01-20 9:10 ` Wanpeng Li [not found] ` <52dce7fe.e5e6420a.5ff6.ffff84a0SMTPIN_ADDED_BROKEN@mx.google.com> 2014-01-20 22:13 ` Christoph Lameter 2014-01-20 22:13 ` Christoph Lameter 2014-01-21 2:20 ` Wanpeng Li 2014-01-21 2:20 ` Wanpeng Li 2014-01-21 2:20 ` Wanpeng Li 2014-01-21 2:20 ` Wanpeng Li 2014-01-24 3:09 ` Wanpeng Li 2014-01-24 3:09 ` Wanpeng Li 2014-01-24 3:09 ` Wanpeng Li 2014-01-24 3:09 ` Wanpeng Li 2014-01-24 3:14 ` Wanpeng Li 2014-01-24 3:14 ` Wanpeng Li 2014-01-24 3:14 ` Wanpeng Li 2014-01-24 3:14 ` Wanpeng Li [not found] ` <52e1da8f.86f7440a.120f.25f3SMTPIN_ADDED_BROKEN@mx.google.com> 2014-01-24 15:50 ` Christoph Lameter 2014-01-24 15:50 ` Christoph Lameter 2014-01-24 21:03 ` David Rientjes 2014-01-24 21:03 ` David Rientjes 2014-01-24 22:19 ` Nishanth Aravamudan 2014-01-24 22:19 ` Nishanth Aravamudan 2014-01-24 23:29 ` Nishanth Aravamudan 2014-01-24 23:29 ` Nishanth Aravamudan 2014-01-24 23:49 ` David Rientjes 2014-01-24 23:49 ` David Rientjes 2014-01-25 0:16 ` Nishanth Aravamudan 2014-01-25 0:16 ` Nishanth Aravamudan 2014-01-25 0:25 ` David Rientjes 2014-01-25 0:25 ` David Rientjes 2014-01-25 1:10 ` Nishanth Aravamudan 2014-01-25 1:10 ` Nishanth Aravamudan 2014-01-27 5:58 ` Joonsoo Kim 2014-01-27 5:58 ` Joonsoo Kim 2014-01-28 18:29 ` Nishanth Aravamudan 2014-01-28 18:29 ` Nishanth Aravamudan 2014-01-29 15:54 ` Christoph Lameter 2014-01-29 15:54 ` Christoph Lameter 2014-01-29 22:36 ` Nishanth Aravamudan 2014-01-29 22:36 ` Nishanth Aravamudan 2014-01-30 16:26 ` Christoph Lameter 2014-01-30 16:26 ` Christoph Lameter 2014-02-03 23:00 ` Nishanth Aravamudan 2014-02-03 23:00 ` Nishanth Aravamudan 2014-02-04 3:38 ` Christoph Lameter 2014-02-04 3:38 ` Christoph Lameter 2014-02-04 7:26 ` Nishanth Aravamudan 2014-02-04 7:26 ` Nishanth Aravamudan 2014-02-04 20:39 ` Christoph Lameter 2014-02-04 20:39 ` Christoph Lameter 2014-02-05 0:13 ` Nishanth Aravamudan 2014-02-05 0:13 ` Nishanth Aravamudan 2014-02-05 19:28 ` Christoph Lameter 2014-02-05 19:28 ` Christoph Lameter 2014-02-06 2:08 ` Nishanth Aravamudan 2014-02-06 2:08 ` Nishanth Aravamudan 2014-02-06 17:25 ` Christoph Lameter 2014-02-06 17:25 ` Christoph Lameter 2014-01-27 16:18 ` Christoph Lameter 2014-01-27 16:18 ` Christoph Lameter 2014-02-06 2:07 ` Nishanth Aravamudan 2014-02-06 2:07 ` Nishanth Aravamudan 2014-02-06 8:04 ` Joonsoo Kim 2014-02-06 8:04 ` Joonsoo Kim [not found] ` <20140206185955.GA7845@linux.vnet.ibm.com> 2014-02-06 19:28 ` Nishanth Aravamudan 2014-02-06 19:28 ` Nishanth Aravamudan 2014-02-07 8:03 ` Joonsoo Kim 2014-02-07 8:03 ` Joonsoo Kim 2014-02-06 8:07 ` [RFC PATCH 1/3] slub: search partial list on numa_mem_id(), instead of numa_node_id() Joonsoo Kim 2014-02-06 8:07 ` Joonsoo Kim 2014-02-06 8:07 ` [RFC PATCH 2/3] topology: support node_numa_mem() for determining the fallback node Joonsoo Kim 2014-02-06 8:07 ` Joonsoo Kim 2014-02-06 8:52 ` David Rientjes 2014-02-06 8:52 ` David Rientjes 2014-02-06 10:29 ` Joonsoo Kim 2014-02-06 10:29 ` Joonsoo Kim 2014-02-06 19:11 ` Nishanth Aravamudan 2014-02-06 19:11 ` Nishanth Aravamudan 2014-02-07 5:42 ` Joonsoo Kim 2014-02-07 5:42 ` Joonsoo Kim 2014-02-06 20:52 ` David Rientjes 2014-02-06 20:52 ` David Rientjes 2014-02-07 5:48 ` Joonsoo Kim 2014-02-07 5:48 ` Joonsoo Kim 2014-02-07 17:53 ` Christoph Lameter 2014-02-07 17:53 ` Christoph Lameter 2014-02-07 18:51 ` Christoph Lameter 2014-02-07 18:51 ` Christoph Lameter 2014-02-07 21:38 ` Nishanth Aravamudan 2014-02-07 21:38 ` Nishanth Aravamudan 2014-02-10 1:15 ` Joonsoo Kim 2014-02-10 1:15 ` Joonsoo Kim 2014-02-10 1:29 ` Joonsoo Kim 2014-02-10 1:29 ` Joonsoo Kim 2014-02-11 18:45 ` Christoph Lameter 2014-02-11 18:45 ` Christoph Lameter 2014-02-10 19:13 ` Nishanth Aravamudan 2014-02-10 19:13 ` Nishanth Aravamudan 2014-02-11 7:42 ` Joonsoo Kim 2014-02-11 7:42 ` Joonsoo Kim 2014-02-12 22:16 ` Christoph Lameter 2014-02-12 22:16 ` Christoph Lameter 2014-02-13 3:53 ` Nishanth Aravamudan 2014-02-13 3:53 ` Nishanth Aravamudan 2014-02-17 6:52 ` Joonsoo Kim 2014-02-17 6:52 ` Joonsoo Kim 2014-02-18 16:38 ` Christoph Lameter 2014-02-18 16:38 ` Christoph Lameter 2014-02-19 22:04 ` David Rientjes 2014-02-19 22:04 ` David Rientjes 2014-02-20 16:02 ` Christoph Lameter 2014-02-20 16:02 ` Christoph Lameter 2014-02-24 5:08 ` Joonsoo Kim 2014-02-24 5:08 ` Joonsoo Kim 2014-02-24 19:54 ` Christoph Lameter 2014-02-24 19:54 ` Christoph Lameter 2014-03-13 16:51 ` Nishanth Aravamudan 2014-03-13 16:51 ` Nishanth Aravamudan 2014-02-18 17:22 ` Nishanth Aravamudan [this message] 2014-02-18 17:22 ` Nishanth Aravamudan 2014-02-13 6:51 ` Nishanth Aravamudan 2014-02-13 6:51 ` Nishanth Aravamudan 2014-02-17 7:00 ` Joonsoo Kim 2014-02-17 7:00 ` Joonsoo Kim 2014-02-18 16:57 ` Christoph Lameter 2014-02-18 16:57 ` Christoph Lameter 2014-02-18 17:28 ` Nishanth Aravamudan 2014-02-18 17:28 ` Nishanth Aravamudan 2014-02-18 19:58 ` Christoph Lameter 2014-02-18 19:58 ` Christoph Lameter 2014-02-18 21:09 ` Nishanth Aravamudan 2014-02-18 21:09 ` Nishanth Aravamudan 2014-02-18 21:49 ` Christoph Lameter 2014-02-18 21:49 ` Christoph Lameter 2014-02-18 22:22 ` Nishanth Aravamudan 2014-02-18 22:22 ` Nishanth Aravamudan 2014-02-19 16:11 ` Christoph Lameter 2014-02-19 16:11 ` Christoph Lameter 2014-02-19 22:03 ` David Rientjes 2014-02-19 22:03 ` David Rientjes 2014-02-08 9:57 ` David Rientjes 2014-02-08 9:57 ` David Rientjes 2014-02-10 1:09 ` Joonsoo Kim 2014-02-10 1:09 ` Joonsoo Kim 2014-07-22 1:03 ` Nishanth Aravamudan 2014-07-22 1:03 ` Nishanth Aravamudan 2014-07-22 1:16 ` David Rientjes 2014-07-22 1:16 ` David Rientjes 2014-07-22 21:43 ` Nishanth Aravamudan 2014-07-22 21:43 ` Nishanth Aravamudan 2014-07-22 21:49 ` Tejun Heo 2014-07-22 21:49 ` Tejun Heo 2014-07-22 23:47 ` Nishanth Aravamudan 2014-07-22 23:47 ` Nishanth Aravamudan 2014-07-23 0:43 ` David Rientjes 2014-07-23 0:43 ` David Rientjes 2014-02-06 8:07 ` [RFC PATCH 3/3] slub: fallback to get_numa_mem() node if we want to allocate on memoryless node Joonsoo Kim 2014-02-06 8:07 ` Joonsoo Kim 2014-02-06 17:30 ` Christoph Lameter 2014-02-06 17:30 ` Christoph Lameter 2014-02-07 5:41 ` Joonsoo Kim 2014-02-07 5:41 ` Joonsoo Kim 2014-02-07 17:49 ` Christoph Lameter 2014-02-07 17:49 ` Christoph Lameter 2014-02-10 1:22 ` Joonsoo Kim 2014-02-10 1:22 ` Joonsoo Kim 2014-02-06 8:37 ` [RFC PATCH 1/3] slub: search partial list on numa_mem_id(), instead of numa_node_id() David Rientjes 2014-02-06 8:37 ` David Rientjes 2014-02-06 17:31 ` Christoph Lameter 2014-02-06 17:31 ` Christoph Lameter 2014-02-06 17:26 ` Christoph Lameter 2014-02-06 17:26 ` Christoph Lameter 2014-05-16 23:37 ` Nishanth Aravamudan 2014-05-16 23:37 ` Nishanth Aravamudan 2014-05-19 2:41 ` Joonsoo Kim 2014-05-19 2:41 ` Joonsoo Kim 2014-06-05 0:13 ` [RESEND PATCH] " David Rientjes 2014-06-05 0:13 ` David Rientjes 2014-06-05 0:13 ` David Rientjes 2014-01-27 16:24 ` [PATCH] slub: Don't throw away partial remote slabs if there is no local memory Christoph Lameter 2014-01-27 16:24 ` Christoph Lameter 2014-01-27 16:16 ` Christoph Lameter 2014-01-27 16:16 ` Christoph Lameter 2014-01-07 9:42 ` David Laight 2014-01-07 9:42 ` David Laight 2014-01-08 14:14 ` Anton Blanchard 2014-01-08 14:14 ` Anton Blanchard 2014-01-07 10:28 ` Wanpeng Li 2014-01-07 10:28 ` Wanpeng Li 2014-01-07 10:28 ` Wanpeng Li 2014-01-07 10:28 ` Wanpeng Li
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