Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / arch / ia64 / mm / contig.c

diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 84fd1c1..e004143 100644 (file)
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -14,7 +14,6 @@
  * Routines used by ia64 machines with contiguous (or virtually contiguous)
  * memory.
  */
-#include <linux/config.h>
 #include <linux/bootmem.h>
 #include <linux/efi.h>
 #include <linux/mm.h>
@@ -28,6 +27,7 @@
 
 #ifdef CONFIG_VIRTUAL_MEM_MAP
 static unsigned long num_dma_physpages;
+static unsigned long max_gap;
 #endif
 
 /**
@@ -46,9 +46,15 @@ show_mem (void)
 
        printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
        i = max_mapnr;
-       while (i-- > 0) {
-               if (!pfn_valid(i))
+       for (i = 0; i < max_mapnr; i++) {
+               if (!pfn_valid(i)) {
+#ifdef CONFIG_VIRTUAL_MEM_MAP
+                       if (max_gap < LARGE_GAP)
+                               continue;
+                       i = vmemmap_find_next_valid_pfn(0, i) - 1;
+#endif
                        continue;
+               }
                total++;
                if (PageReserved(mem_map+i))
                        reserved++;
@@ -235,7 +241,6 @@ paging_init (void)
        unsigned long zones_size[MAX_NR_ZONES];
 #ifdef CONFIG_VIRTUAL_MEM_MAP
        unsigned long zholes_size[MAX_NR_ZONES];
-       unsigned long max_gap;
 #endif
 
        /* initialize mem_map[] */
@@ -267,7 +272,6 @@ paging_init (void)
                }
        }
 
-       max_gap = 0;
        efi_memmap_walk(find_largest_hole, (u64 *)&max_gap);
        if (max_gap < LARGE_GAP) {
                vmem_map = (struct page *) 0;
@@ -278,7 +282,8 @@ paging_init (void)
 
                /* allocate virtual_mem_map */
 
-               map_size = PAGE_ALIGN(max_low_pfn * sizeof(struct page));
+               map_size = PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) *
+                       sizeof(struct page));
                vmalloc_end -= map_size;
                vmem_map = (struct page *) vmalloc_end;
                efi_memmap_walk(create_mem_map_page_table, NULL);