swsusp: dont fiddle with swappiness
[safe/jmp/linux-2.6] / mm / highmem.c
index 7da4a7b..b36b83b 100644 (file)
@@ -40,6 +40,7 @@
 #ifdef CONFIG_HIGHMEM
 
 unsigned long totalhigh_pages __read_mostly;
+EXPORT_SYMBOL(totalhigh_pages);
 
 unsigned int nr_free_highpages (void)
 {
@@ -69,6 +70,7 @@ static DECLARE_WAIT_QUEUE_HEAD(pkmap_map_wait);
 static void flush_all_zero_pkmaps(void)
 {
        int i;
+       int need_flush = 0;
 
        flush_cache_kmaps();
 
@@ -100,8 +102,10 @@ static void flush_all_zero_pkmaps(void)
                          &pkmap_page_table[i]);
 
                set_page_address(page, NULL);
+               need_flush = 1;
        }
-       flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP));
+       if (need_flush)
+               flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP));
 }
 
 /**