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-rw-r--r--arch/ia64/hp/common/sba_iommu.c6
-rw-r--r--arch/ia64/kernel/uncached.c2
-rw-r--r--arch/ia64/sn/pci/pci_dma.c2
-rw-r--r--arch/powerpc/platforms/cell/ras.c2
-rw-r--r--arch/x86/kvm/vmx.c2
-rw-r--r--drivers/misc/sgi-xp/xpc_uv.c2
-rw-r--r--include/linux/gfp.h23
-rw-r--r--kernel/profile.c8
-rw-r--r--mm/filemap.c2
-rw-r--r--mm/huge_memory.c2
-rw-r--r--mm/hugetlb.c4
-rw-r--r--mm/memory-failure.c2
-rw-r--r--mm/mempolicy.c4
-rw-r--r--mm/migrate.c4
-rw-r--r--mm/page_alloc.c2
-rw-r--r--mm/slab.c2
-rw-r--r--mm/slob.c4
-rw-r--r--mm/slub.c2
18 files changed, 38 insertions, 37 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index 344387a55406..a6d6190c9d24 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -1140,13 +1140,9 @@ sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
#ifdef CONFIG_NUMA
{
- int node = ioc->node;
struct page *page;
- if (node == NUMA_NO_NODE)
- node = numa_node_id();
-
- page = alloc_pages_exact_node(node, flags, get_order(size));
+ page = alloc_pages_node(ioc->node, flags, get_order(size));
if (unlikely(!page))
return NULL;
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 20e8a9b21d75..f3976da36721 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -97,7 +97,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
/* attempt to allocate a granule's worth of cached memory pages */
- page = alloc_pages_exact_node(nid,
+ page = __alloc_pages_node(nid,
GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE,
IA64_GRANULE_SHIFT-PAGE_SHIFT);
if (!page) {
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index d0853e8e8623..8f59907007cb 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -92,7 +92,7 @@ static void *sn_dma_alloc_coherent(struct device *dev, size_t size,
*/
node = pcibus_to_node(pdev->bus);
if (likely(node >=0)) {
- struct page *p = alloc_pages_exact_node(node,
+ struct page *p = __alloc_pages_node(node,
flags, get_order(size));
if (likely(p))
diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c
index e865d748179b..2d4f60c0119a 100644
--- a/arch/powerpc/platforms/cell/ras.c
+++ b/arch/powerpc/platforms/cell/ras.c
@@ -123,7 +123,7 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order)
area->nid = nid;
area->order = order;
- area->pages = alloc_pages_exact_node(area->nid,
+ area->pages = __alloc_pages_node(area->nid,
GFP_KERNEL|__GFP_THISNODE,
area->order);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4a4eec30cc08..148ea2016022 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3150,7 +3150,7 @@ static struct vmcs *alloc_vmcs_cpu(int cpu)
struct page *pages;
struct vmcs *vmcs;
- pages = alloc_pages_exact_node(node, GFP_KERNEL, vmcs_config.order);
+ pages = __alloc_pages_node(node, GFP_KERNEL, vmcs_config.order);
if (!pages)
return NULL;
vmcs = page_address(pages);
diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c
index 95c894482fdd..340b44d9e8cf 100644
--- a/drivers/misc/sgi-xp/xpc_uv.c
+++ b/drivers/misc/sgi-xp/xpc_uv.c
@@ -239,7 +239,7 @@ xpc_create_gru_mq_uv(unsigned int mq_size, int cpu, char *irq_name,
mq->mmr_blade = uv_cpu_to_blade_id(cpu);
nid = cpu_to_node(cpu);
- page = alloc_pages_exact_node(nid,
+ page = __alloc_pages_node(nid,
GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE,
pg_order);
if (page == NULL) {
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 3bd64b115999..d2c142bc872e 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -303,20 +303,28 @@ __alloc_pages(gfp_t gfp_mask, unsigned int order,
return __alloc_pages_nodemask(gfp_mask, order, zonelist, NULL);
}
-static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask,
- unsigned int order)
+/*
+ * Allocate pages, preferring the node given as nid. The node must be valid and
+ * online. For more general interface, see alloc_pages_node().
+ */
+static inline struct page *
+__alloc_pages_node(int nid, gfp_t gfp_mask, unsigned int order)
{
- /* Unknown node is current node */
- if (nid < 0)
- nid = numa_node_id();
+ VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES || !node_online(nid));
return __alloc_pages(gfp_mask, order, node_zonelist(nid, gfp_mask));
}
-static inline struct page *alloc_pages_exact_node(int nid, gfp_t gfp_mask,
+/*
+ * Allocate pages, preferring the node given as nid. When nid == NUMA_NO_NODE,
+ * prefer the current CPU's node.
+ */
+static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask,
unsigned int order)
{
- VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES || !node_online(nid));
+ /* Unknown node is current node */
+ if (nid < 0)
+ nid = numa_node_id();
return __alloc_pages(gfp_mask, order, node_zonelist(nid, gfp_mask));
}
@@ -357,7 +365,6 @@ extern unsigned long get_zeroed_page(gfp_t gfp_mask);
void *alloc_pages_exact(size_t size, gfp_t gfp_mask);
void free_pages_exact(void *virt, size_t size);
-/* This is different from alloc_pages_exact_node !!! */
void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask);
#define __get_free_page(gfp_mask) \
diff --git a/kernel/profile.c b/kernel/profile.c
index a7bcd28d6e9f..99513e1160e5 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -339,7 +339,7 @@ static int profile_cpu_callback(struct notifier_block *info,
node = cpu_to_mem(cpu);
per_cpu(cpu_profile_flip, cpu) = 0;
if (!per_cpu(cpu_profile_hits, cpu)[1]) {
- page = alloc_pages_exact_node(node,
+ page = __alloc_pages_node(node,
GFP_KERNEL | __GFP_ZERO,
0);
if (!page)
@@ -347,7 +347,7 @@ static int profile_cpu_callback(struct notifier_block *info,
per_cpu(cpu_profile_hits, cpu)[1] = page_address(page);
}
if (!per_cpu(cpu_profile_hits, cpu)[0]) {
- page = alloc_pages_exact_node(node,
+ page = __alloc_pages_node(node,
GFP_KERNEL | __GFP_ZERO,
0);
if (!page)
@@ -543,14 +543,14 @@ static int create_hash_tables(void)
int node = cpu_to_mem(cpu);
struct page *page;
- page = alloc_pages_exact_node(node,
+ page = __alloc_pages_node(node,
GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE,
0);
if (!page)
goto out_cleanup;
per_cpu(cpu_profile_hits, cpu)[1]
= (struct profile_hit *)page_address(page);
- page = alloc_pages_exact_node(node,
+ page = __alloc_pages_node(node,
GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE,
0);
if (!page)
diff --git a/mm/filemap.c b/mm/filemap.c
index 30d69c0c5a38..72940fb38666 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -674,7 +674,7 @@ struct page *__page_cache_alloc(gfp_t gfp)
do {
cpuset_mems_cookie = read_mems_allowed_begin();
n = cpuset_mem_spread_node();
- page = alloc_pages_exact_node(n, gfp, 0);
+ page = __alloc_pages_node(n, gfp, 0);
} while (!page && read_mems_allowed_retry(cpuset_mems_cookie));
return page;
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 71a4822c832b..883f613ada7e 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2414,7 +2414,7 @@ khugepaged_alloc_page(struct page **hpage, gfp_t gfp, struct mm_struct *mm,
*/
up_read(&mm->mmap_sem);
- *hpage = alloc_pages_exact_node(node, gfp, HPAGE_PMD_ORDER);
+ *hpage = __alloc_pages_node(node, gfp, HPAGE_PMD_ORDER);
if (unlikely(!*hpage)) {
count_vm_event(THP_COLLAPSE_ALLOC_FAILED);
*hpage = ERR_PTR(-ENOMEM);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index cd1280c487ff..999fb0aef8f1 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1331,7 +1331,7 @@ static struct page *alloc_fresh_huge_page_node(struct hstate *h, int nid)
{
struct page *page;
- page = alloc_pages_exact_node(nid,
+ page = __alloc_pages_node(nid,
htlb_alloc_mask(h)|__GFP_COMP|__GFP_THISNODE|
__GFP_REPEAT|__GFP_NOWARN,
huge_page_order(h));
@@ -1483,7 +1483,7 @@ static struct page *alloc_buddy_huge_page(struct hstate *h, int nid)
__GFP_REPEAT|__GFP_NOWARN,
huge_page_order(h));
else
- page = alloc_pages_exact_node(nid,
+ page = __alloc_pages_node(nid,
htlb_alloc_mask(h)|__GFP_COMP|__GFP_THISNODE|
__GFP_REPEAT|__GFP_NOWARN, huge_page_order(h));
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index bba2d7c2c9ce..eeda6485e76c 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1521,7 +1521,7 @@ static struct page *new_page(struct page *p, unsigned long private, int **x)
return alloc_huge_page_node(page_hstate(compound_head(p)),
nid);
else
- return alloc_pages_exact_node(nid, GFP_HIGHUSER_MOVABLE, 0);
+ return __alloc_pages_node(nid, GFP_HIGHUSER_MOVABLE, 0);
}
/*
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index d6f2caee28c0..87a177917cb2 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -942,7 +942,7 @@ static struct page *new_node_page(struct page *page, unsigned long node, int **x
return alloc_huge_page_node(page_hstate(compound_head(page)),
node);
else
- return alloc_pages_exact_node(node, GFP_HIGHUSER_MOVABLE |
+ return __alloc_pages_node(node, GFP_HIGHUSER_MOVABLE |
__GFP_THISNODE, 0);
}
@@ -1998,7 +1998,7 @@ retry_cpuset:
nmask = policy_nodemask(gfp, pol);
if (!nmask || node_isset(hpage_node, *nmask)) {
mpol_cond_put(pol);
- page = alloc_pages_exact_node(hpage_node,
+ page = __alloc_pages_node(hpage_node,
gfp | __GFP_THISNODE, order);
goto out;
}
diff --git a/mm/migrate.c b/mm/migrate.c
index 918defbdda0e..02ce25df16c2 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1195,7 +1195,7 @@ static struct page *new_page_node(struct page *p, unsigned long private,
return alloc_huge_page_node(page_hstate(compound_head(p)),
pm->node);
else
- return alloc_pages_exact_node(pm->node,
+ return __alloc_pages_node(pm->node,
GFP_HIGHUSER_MOVABLE | __GFP_THISNODE, 0);
}
@@ -1555,7 +1555,7 @@ static struct page *alloc_misplaced_dst_page(struct page *page,
int nid = (int) data;
struct page *newpage;
- newpage = alloc_pages_exact_node(nid,
+ newpage = __alloc_pages_node(nid,
(GFP_HIGHUSER_MOVABLE |
__GFP_THISNODE | __GFP_NOMEMALLOC |
__GFP_NORETRY | __GFP_NOWARN) &
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 252665d553b4..bdaa0cf8fd41 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3511,8 +3511,6 @@ EXPORT_SYMBOL(alloc_pages_exact);
*
* Like alloc_pages_exact(), but try to allocate on node nid first before falling
* back.
- * Note this is not alloc_pages_exact_node() which allocates on a specific node,
- * but is not exact.
*/
void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask)
{
diff --git a/mm/slab.c b/mm/slab.c
index 60c936938b84..c77ebe6cc87c 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1595,7 +1595,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags,
if (memcg_charge_slab(cachep, flags, cachep->gfporder))
return NULL;
- page = alloc_pages_exact_node(nodeid, flags | __GFP_NOTRACK, cachep->gfporder);
+ page = __alloc_pages_node(nodeid, flags | __GFP_NOTRACK, cachep->gfporder);
if (!page) {
memcg_uncharge_slab(cachep, cachep->gfporder);
slab_out_of_memory(cachep, flags, nodeid);
diff --git a/mm/slob.c b/mm/slob.c
index 165bbd3cd606..0d7e5df74d1f 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -45,7 +45,7 @@
* NUMA support in SLOB is fairly simplistic, pushing most of the real
* logic down to the page allocator, and simply doing the node accounting
* on the upper levels. In the event that a node id is explicitly
- * provided, alloc_pages_exact_node() with the specified node id is used
+ * provided, __alloc_pages_node() with the specified node id is used
* instead. The common case (or when the node id isn't explicitly provided)
* will default to the current node, as per numa_node_id().
*
@@ -193,7 +193,7 @@ static void *slob_new_pages(gfp_t gfp, int order, int node)
#ifdef CONFIG_NUMA
if (node != NUMA_NO_NODE)
- page = alloc_pages_exact_node(node, gfp, order);
+ page = __alloc_pages_node(node, gfp, order);
else
#endif
page = alloc_pages(gfp, order);
diff --git a/mm/slub.c b/mm/slub.c
index 084184e706c6..f614b5dc396b 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1334,7 +1334,7 @@ static inline struct page *alloc_slab_page(struct kmem_cache *s,
if (node == NUMA_NO_NODE)
page = alloc_pages(flags, order);
else
- page = alloc_pages_exact_node(node, flags, order);
+ page = __alloc_pages_node(node, flags, order);
if (!page)
memcg_uncharge_slab(s, order);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 16:38:06 +0000