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authorTejun Heo <tj@kernel.org>2011-04-05 00:23:58 +0200
committerH. Peter Anvin <hpa@zytor.com>2011-04-06 17:57:44 -0700
commit1d85b61baf0334dd6bb88261bec42b808204d694 (patch)
treeadbd8ea60cb19c5137b5691e028c4df8e1b8a6fb /arch/x86/mm/numa_32.c
parentb2e3e4fa3eee752b893687783f2a427106c93423 (diff)
downloadlinux-1d85b61baf0334dd6bb88261bec42b808204d694.tar.bz2
x86-32, numa: Remove now useless node_remap_offset[]
With lowmem address reservation moved into init_alloc_remap(), node_remap_offset[] is no longer useful. Remove it and related offset handling code. Signed-off-by: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1301955840-7246-13-git-send-email-tj@kernel.org Acked-by: Yinghai Lu <yinghai@kernel.org> Cc: David Rientjes <rientjes@google.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/mm/numa_32.c')
-rw-r--r--arch/x86/mm/numa_32.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 0184a9f5a345..960ea7bc0ac7 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -187,7 +187,6 @@ static void __init allocate_pgdat(int nid)
static unsigned long node_remap_start_pfn[MAX_NUMNODES];
static void *node_remap_end_vaddr[MAX_NUMNODES];
static void *node_remap_alloc_vaddr[MAX_NUMNODES];
-static unsigned long node_remap_offset[MAX_NUMNODES];
void *alloc_remap(int nid, unsigned long size)
{
@@ -239,7 +238,7 @@ void resume_map_numa_kva(pgd_t *pgd_base)
}
#endif
-static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
+static __init void init_alloc_remap(int nid)
{
unsigned long size, pfn;
u64 node_pa, remap_pa;
@@ -252,9 +251,9 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
printk(KERN_DEBUG "node %d pfn: [%lx - %lx]\n",
nid, node_start_pfn[nid], node_end_pfn[nid]);
if (node_start_pfn[nid] > max_pfn)
- return 0;
+ return;
if (!node_end_pfn[nid])
- return 0;
+ return;
if (node_end_pfn[nid] > max_pfn)
node_end_pfn[nid] = max_pfn;
@@ -271,7 +270,7 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
if (node_pa == MEMBLOCK_ERROR) {
pr_warning("remap_alloc: failed to allocate %lu bytes for node %d\n",
size, nid);
- return 0;
+ return;
}
memblock_x86_reserve_range(node_pa, node_pa + size, "KVA RAM");
@@ -282,7 +281,7 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
pr_warning("remap_alloc: failed to allocate %lu bytes remap area for node %d\n",
size, nid);
memblock_x86_free_range(node_pa, node_pa + size);
- return 0;
+ return;
}
memblock_x86_reserve_range(remap_pa, remap_pa + size, "KVA PG");
remap_va = phys_to_virt(remap_pa);
@@ -296,7 +295,6 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
/* initialize remap allocator parameters */
node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT;
node_remap_size[nid] = size >> PAGE_SHIFT;
- node_remap_offset[nid] = offset;
node_remap_start_vaddr[nid] = remap_va;
node_remap_end_vaddr[nid] = remap_va + size;
@@ -304,13 +302,10 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
printk(KERN_DEBUG "remap_alloc: node %d [%08llx-%08llx) -> [%p-%p)\n",
nid, node_pa, node_pa + size, remap_va, remap_va + size);
-
- return size >> PAGE_SHIFT;
}
void __init initmem_init(void)
{
- unsigned long reserve_pages = 0;
int nid;
/*
@@ -325,7 +320,7 @@ void __init initmem_init(void)
numa_init_array();
for_each_online_node(nid)
- reserve_pages += init_alloc_remap(nid, reserve_pages);
+ init_alloc_remap(nid);
#ifdef CONFIG_HIGHMEM
highstart_pfn = highend_pfn = max_pfn;