slub: document setting min order with debug_guardpage_minorder > 0

[karo-tx-linux.git] / Documentation / vm / slub.txt

diff --git a/Documentation/vm/slub.txt b/Documentation/vm/slub.txt
index 2acdda9601b097958ad4ea732ba784a1ed4fffce..6752870c4970d73721c48a041b15aa36af929ab5 100644 (file)
--- a/Documentation/vm/slub.txt
+++ b/Documentation/vm/slub.txt
@@ -131,7 +131,10 @@ slub_min_objects.
 slub_max_order specified the order at which slub_min_objects should no
 longer be checked. This is useful to avoid SLUB trying to generate
 super large order pages to fit slub_min_objects of a slab cache with
-large object sizes into one high order page.
+large object sizes into one high order page. Setting command line
+parameter debug_guardpage_minorder=N (N > 0), forces setting
+slub_max_order to 0, what cause minimum possible order of slabs
+allocation.
 
 SLUB Debug output
 -----------------