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 Rafael wanted changes and I never received them 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 [akpm@xxxxxxxxxxxxxxxxxxxx: coding-style fixes] Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Cc: Pekka Enberg <penberg@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/ABI/testing/sysfs-kernel-slab | 2 ++ Documentation/vm/slub.txt | 4 +++- 2 files changed, 5 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 +346,8 @@ 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 > 0 parameter is specified, the + minimum possible order is used and cannot be changed. 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 +131,9 @@ 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 parameter +debug_guardpage_minorder > 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 mm-more-intensive-memory-corruption-debug.patch pm-hibernate-do-not-count-debug-pages-as-savable.patch slub-min-order-when-debug_guardpage_minorder-0.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