The patch titled Subject: slub: document setting min order with debug_guardpage_minorder > 0 has been removed from the -mm tree. Its filename was slub-document-setting-min-order-with-debug_guardpage_minorder-0.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ From: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> Subject: slub: document setting min order with debug_guardpage_minorder > 0 Acked-by: David Rientjes <rientjes@xxxxxxxxxx> Cc: Pekka Enberg <penberg@xxxxxxxxxxxxxx> Cc: "Rafael J. Wysocki" <rjw@xxxxxxx> Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/ABI/testing/sysfs-kernel-slab | 4 ++++ Documentation/vm/slub.txt | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff -puN Documentation/ABI/testing/sysfs-kernel-slab~slub-document-setting-min-order-with-debug_guardpage_minorder-0 Documentation/ABI/testing/sysfs-kernel-slab --- a/Documentation/ABI/testing/sysfs-kernel-slab~slub-document-setting-min-order-with-debug_guardpage_minorder-0 +++ a/Documentation/ABI/testing/sysfs-kernel-slab @@ -346,6 +346,10 @@ Description: number of objects per slab. If a slab cannot be allocated because of fragmentation, SLUB will retry with the minimum order possible depending on its characteristics. + When debug_guardpage_minorder=N (N > 0) parameter is specified + (see Documentation/kernel-parameters.txt), the minimum possible + order is used and this sysfs entry can not be used to change + the order at run time. What: /sys/kernel/slab/cache/order_fallback Date: April 2008 diff -puN Documentation/vm/slub.txt~slub-document-setting-min-order-with-debug_guardpage_minorder-0 Documentation/vm/slub.txt --- a/Documentation/vm/slub.txt~slub-document-setting-min-order-with-debug_guardpage_minorder-0 +++ a/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 ----------------- _ Patches currently in -mm which might be from sgruszka@xxxxxxxxxx are origin.patch linux-next.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html