SLUB: Reduce antifrag max order My test systems fails to obtain order 4 allocs after prolonged use. So the Antifragmentation patches are unable to guarantee order 4 blocks after a while (straight compile, edit load). Reduce the the max order if antifrag measures are detected to 3. Signed-off-by: Christoph Lameter --- mm/slub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: slub/mm/slub.c =================================================================== --- slub.orig/mm/slub.c 2007-05-07 14:00:23.000000000 -0700 +++ slub/mm/slub.c 2007-05-07 14:00:27.000000000 -0700 @@ -126,7 +126,7 @@ * If antifragmentation methods are in effect then increase the * slab sizes to increase performance */ -#define DEFAULT_ANTIFRAG_MAX_ORDER 4 +#define DEFAULT_ANTIFRAG_MAX_ORDER 3 #define DEFAULT_ANTIFRAG_MIN_OBJECTS 16 /*