From 198bd06bbfde2984027e91f64c55eb19a7034a27 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 5 Apr 2011 00:23:59 +0200 Subject: [PATCH] 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 Link: http://lkml.kernel.org/r/1301955840-7246-14-git-send-email-tj@kernel.org Acked-by: Yinghai Lu Cc: David Rientjes Signed-off-by: H. Peter Anvin --- arch/x86/mm/numa_32.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c index 960ea7bc0ac..f325e6fab75 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; -- 2.39.2