---

yaml --- r: 230803 b: refs/heads/master c: 97562cd h: refs/heads/master i: 230801: b3b00d5 230799: 566a5d3 v: v3
git-mirror · Jan 14, 2011 · 4ee30f8 · 4ee30f8
1 parent b97f282
commit 4ee30f8
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c5a73c3d55be1faadba35b41a862e036a3b12ddb
+refs/heads/master: 97562cd243298acf573620c764a1037bd545c9bc
diff --git a/trunk/mm/huge_memory.c b/trunk/mm/huge_memory.c
@@ -527,6 +527,14 @@ static int __init hugepage_init(void)
 		goto out;
 	}
 
+	/*
+	 * By default disable transparent hugepages on smaller systems,
+	 * where the extra memory used could hurt more than TLB overhead
+	 * is likely to save.  The admin can still enable it through /sys.
+	 */
+	if (totalram_pages < (512 << (20 - PAGE_SHIFT)))
+		transparent_hugepage_flags = 0;
+
 	start_khugepaged();
 
 	set_recommended_min_free_kbytes();