---

yaml --- r: 11762 b: refs/heads/master c: f014a55 h: refs/heads/master v: v3
git-mirror · Oct 31, 2005 · 59d6c25 · 59d6c25
1 parent 5d3e1ed
commit 59d6c25
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Showing 2 changed files with 18 additions and 8 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 750deaa4021da1cf9fdb1e20861a10c76fd7f2bc
+refs/heads/master: f014a556e714dfb02502e3be6146a39ca625f33c
diff --git a/trunk/arch/i386/kernel/setup.c b/trunk/arch/i386/kernel/setup.c
@@ -389,14 +389,24 @@ static void __init limit_regions(unsigned long long size)
 		}
 	}
 	for (i = 0; i < e820.nr_map; i++) {
-		if (e820.map[i].type == E820_RAM) {
-			current_addr = e820.map[i].addr + e820.map[i].size;
-			if (current_addr >= size) {
-				e820.map[i].size -= current_addr-size;
-				e820.nr_map = i + 1;
-				return;
-			}
+		current_addr = e820.map[i].addr + e820.map[i].size;
+		if (current_addr < size)
+			continue;
+
+		if (e820.map[i].type != E820_RAM)
+			continue;
+
+		if (e820.map[i].addr >= size) {
+			/*
+			 * This region starts past the end of the
+			 * requested size, skip it completely.
+			 */
+			e820.nr_map = i;
+		} else {
+			e820.nr_map = i + 1;
+			e820.map[i].size -= current_addr - size;
 		}
+		return;
 	}
 }