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| author | Jiri Kosina <jkosina@suse.cz> | 2012-02-03 23:12:42 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-02-03 23:13:05 +0100 |
| commit | 972c5ae961d6e5103e2b33d935cfa4145fd47140 (patch) | |
| tree | 350b2a76b979ba8766c09838617df67ff330eca0 /Documentation/vm/slub.txt | |
| parent | 5196d20305d5e30d871111d3a876cf067dd94255 (diff) | |
| parent | 7c7ed8ec337bf5f62cc5287a6eb6b2f1b7504c2f (diff) | |
| download | linux-stable-972c5ae961d6e5103e2b33d935cfa4145fd47140.tar.gz linux-stable-972c5ae961d6e5103e2b33d935cfa4145fd47140.tar.bz2 linux-stable-972c5ae961d6e5103e2b33d935cfa4145fd47140.zip | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patch to a newer
code (namely drivers/gpu/drm/gma500/psb_intel_lvds.c)
Diffstat (limited to 'Documentation/vm/slub.txt')
| -rw-r--r-- | Documentation/vm/slub.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/vm/slub.txt b/Documentation/vm/slub.txt index f464f47bc60d..6752870c4970 100644 --- a/Documentation/vm/slub.txt +++ b/Documentation/vm/slub.txt @@ -117,7 +117,7 @@ can be influenced by kernel parameters: slub_min_objects=x (default 4) slub_min_order=x (default 0) -slub_max_order=x (default 1) +slub_max_order=x (default 3 (PAGE_ALLOC_COSTLY_ORDER)) slub_min_objects allows to specify how many objects must at least fit into one slab in order for the allocation order to be acceptable. @@ -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 ----------------- |