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[linux-2.6.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 1fa79c4..36573f7 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -65,6 +65,11 @@ int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1] = { 256, 32 };
 EXPORT_SYMBOL(totalram_pages);
 EXPORT_SYMBOL(nr_swap_pages);
 
+#ifdef CONFIG_CRASH_DUMP
+/* This symbol has to be exported to use 'for_each_pgdat' macro by modules. */
+EXPORT_SYMBOL(pgdat_list);
+#endif
+
 /*
  * Used by page_zone() to look up the address of the struct zone whose
  * id is encoded in the upper bits of page->flags
@@ -119,7 +124,7 @@ static void bad_page(const char *function, struct page *page)
        tainted |= TAINT_BAD_PAGE;
 }
 
-#ifndef CONFIG_HUGETLB_PAGE
+#if !defined(CONFIG_HUGETLB_PAGE) && !defined(CONFIG_CRASH_DUMP)
 #define prep_compound_page(page, order) do { } while (0)
 #define destroy_compound_page(page, order) do { } while (0)
 #else