x86-32, numa: Move remapping for remap allocator into init_alloc_remap()

There's no reason to perform the actual remapping separately.
Collapse remap_numa_kva() into init_alloc_remap() and, while at it,
make it less verbose.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1301955840-7246-11-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>

1 files changed, 7 insertions, 22 deletions

diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 12bb34c434ea..53ec13a17b9a 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -205,26 +205,6 @@ void *alloc_remap(int nid, unsigned long size)
         return allocation;
 }
 
-static void __init remap_numa_kva(void)
-{
-        void *vaddr;
-        unsigned long pfn;
-        int node;
-
-        for_each_online_node(node) {
-                printk(KERN_DEBUG "remap_numa_kva: node %d\n", node);
-                for (pfn=0; pfn < node_remap_size[node]; pfn += PTRS_PER_PTE) {
-                        vaddr = node_remap_start_vaddr[node]+(pfn<<PAGE_SHIFT);
-                        printk(KERN_DEBUG "remap_numa_kva: %08lx to pfn %08lx\n",
-                                (unsigned long)vaddr,
-                                node_remap_start_pfn[node] + pfn);
-                        set_pmd_pfn((ulong) vaddr, 
-                                node_remap_start_pfn[node] + pfn, 
-                                PAGE_KERNEL_LARGE);
-                }
-        }
-}
-
 #ifdef CONFIG_HIBERNATION
 /**
  * resume_map_numa_kva - add KVA mapping to the temporary page tables created
@@ -262,7 +242,7 @@ void resume_map_numa_kva(pgd_t *pgd_base)
 
 static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
 {
-        unsigned long size;
+        unsigned long size, pfn;
         u64 node_pa, remap_pa;
         void *remap_va;
 
@@ -308,6 +288,12 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
         memblock_x86_reserve_range(remap_pa, remap_pa + size, "KVA PG");
         remap_va = phys_to_virt(remap_pa);
 
+        /* perform actual remap */
+        for (pfn = 0; pfn < size >> PAGE_SHIFT; pfn += PTRS_PER_PTE)
+                set_pmd_pfn((unsigned long)remap_va + (pfn << PAGE_SHIFT),
+                            (node_pa >> PAGE_SHIFT) + pfn,
+                            PAGE_KERNEL_LARGE);
+
         /* initialize remap allocator parameters */
         node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT;
         node_remap_size[nid] = size >> PAGE_SHIFT;
@@ -363,7 +349,6 @@ void __init initmem_init(void)
                         (ulong) pfn_to_kaddr(max_low_pfn));
         for_each_online_node(nid)
                 allocate_pgdat(nid);
-        remap_numa_kva();
 
         printk(KERN_DEBUG "High memory starts at vaddr %08lx\n",
                         (ulong) pfn_to_kaddr(highstart_pfn));