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slub: document setting min order with debug_guardpage_minorder > 0

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Acked-by: David Rientjes <rientjes@google.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stanislaw Gruszka
2012-01-12 17:17:39 -08:00
committed by Linus Torvalds
parent 15ee2d000d
commit 888a214dc4
2 changed files with 8 additions and 1 deletions
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5
Documentation/vm/slub.txt
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@@ -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
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