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authorTejun Heo <tj@kernel.org>2011-04-05 00:23:59 +0200
committerH. Peter Anvin <hpa@zytor.com>2011-04-06 17:57:50 -0700
commit198bd06bbfde2984027e91f64c55eb19a7034a27 (patch)
tree87c611e56b58bf13ac59d52a11e7332aea70a22c /arch/x86/mm
parent1d85b61baf0334dd6bb88261bec42b808204d694 (diff)
downloadop-kernel-dev-198bd06bbfde2984027e91f64c55eb19a7034a27.zip
op-kernel-dev-198bd06bbfde2984027e91f64c55eb19a7034a27.tar.gz
x86-32, numa: Remove redundant node_remap_size[]
Remap area size can be determined from node_remap_start_vaddr[] and node_remap_end_vaddr[] making node_remap_size[] redundant. Remove it. While at it, make resume_map_numa_kva() use @nr_pages for number of pages instead of @size. Signed-off-by: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1301955840-7246-14-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')
-rw-r--r--arch/x86/mm/numa_32.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 960ea7b..f325e6f 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -104,7 +104,6 @@ extern unsigned long highend_pfn, highstart_pfn;
#define LARGE_PAGE_BYTES (PTRS_PER_PTE * PAGE_SIZE)
-static unsigned long node_remap_size[MAX_NUMNODES];
static void *node_remap_start_vaddr[MAX_NUMNODES];
void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
@@ -214,15 +213,16 @@ void resume_map_numa_kva(pgd_t *pgd_base)
int node;
for_each_online_node(node) {
- unsigned long start_va, start_pfn, size, pfn;
+ unsigned long start_va, start_pfn, nr_pages, pfn;
start_va = (unsigned long)node_remap_start_vaddr[node];
start_pfn = node_remap_start_pfn[node];
- size = node_remap_size[node];
+ nr_pages = (node_remap_end_vaddr[node] -
+ node_remap_start_vaddr[node]) >> PAGE_SHIFT;
printk(KERN_DEBUG "%s: node %d\n", __func__, node);
- for (pfn = 0; pfn < size; pfn += PTRS_PER_PTE) {
+ for (pfn = 0; pfn < nr_pages; pfn += PTRS_PER_PTE) {
unsigned long vaddr = start_va + (pfn << PAGE_SHIFT);
pgd_t *pgd = pgd_base + pgd_index(vaddr);
pud_t *pud = pud_offset(pgd, vaddr);
@@ -294,8 +294,6 @@ static __init void init_alloc_remap(int nid)
/* initialize remap allocator parameters */
node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT;
- node_remap_size[nid] = size >> PAGE_SHIFT;
-
node_remap_start_vaddr[nid] = remap_va;
node_remap_end_vaddr[nid] = remap_va + size;
node_remap_alloc_vaddr[nid] = remap_va;
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