patch-2.1.34 linux/arch/alpha/mm/init.c

• Lines: 34
• Date: Mon Apr 14 09:31:08 1997
• Orig file: v2.1.33/linux/arch/alpha/mm/init.c
• Orig date: Sun Jan 26 02:07:04 1997

diff -u --recursive --new-file v2.1.33/linux/arch/alpha/mm/init.c linux/arch/alpha/mm/init.c
@@ -64,10 +64,10 @@
 		total++;
 		if (PageReserved(mem_map+i))
 			reserved++;
-		else if (!mem_map[i].count)
+		else if (!atomic_read(&mem_map[i].count))
 			free++;
 		else
-			shared += mem_map[i].count-1;
+			shared += atomic_read(&mem_map[i].count) - 1;
 	}
 	printk("%d pages of RAM\n",total);
 	printk("%d free pages\n",free);
@@ -163,7 +163,7 @@
 			clear_bit(PG_DMA, &mem_map[MAP_NR(tmp)].flags);
 		if (PageReserved(mem_map+MAP_NR(tmp)))
 			continue;
-		mem_map[MAP_NR(tmp)].count = 1;
+		atomic_set(&mem_map[MAP_NR(tmp)].count, 1);
 		free_page(tmp);
 	}
 	tmp = nr_free_pages << PAGE_SHIFT;
@@ -189,9 +189,9 @@
 		if (PageReserved(mem_map+i))
 			continue;
 		val->totalram++;
-		if (!mem_map[i].count)
+		if (!atomic_read(&mem_map[i].count))
 			continue;
-		val->sharedram += mem_map[i].count-1;
+		val->sharedram += atomic_read(&mem_map[i].count) - 1;
 	}
 	val->totalram <<= PAGE_SHIFT;
 	val->sharedram <<= PAGE_SHIFT;