patch-2.1.34 linux/arch/i386/mm/init.c

• Lines: 34
• Date: Mon Apr 14 09:31:08 1997
• Orig file: v2.1.33/linux/arch/i386/mm/init.c
• Orig date: Sun Apr 13 10:18:20 1997

diff -u --recursive --new-file v2.1.33/linux/arch/i386/mm/init.c linux/arch/i386/mm/init.c
@@ -79,10 +79,10 @@
 		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);
@@ -259,7 +259,7 @@
 				datapages++;
 			continue;
 		}
-		mem_map[MAP_NR(tmp)].count = 1;
+		atomic_set(&mem_map[MAP_NR(tmp)].count, 1);
 #ifdef CONFIG_BLK_DEV_INITRD
 		if (!initrd_start || (tmp < initrd_start || tmp >=
 		    initrd_end))
@@ -316,9 +316,9 @@
 		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;