Replacing n & (n - 1) for power of 2 check by is_power_of_2(n) Signed-off-by: vignesh babu <[EMAIL PROTECTED]> --- diff --git a/mm/slub.c b/mm/slub.c index 69d02e3..1241d14 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -20,6 +20,7 @@ #include <linux/mempolicy.h> #include <linux/ctype.h> #include <linux/kallsyms.h> +#include <linux/log2.h> /* * Lock order: @@ -2606,7 +2607,7 @@ void __init kmem_cache_init(void) * around with ARCH_KMALLOC_MINALIGN */ BUILD_BUG_ON(KMALLOC_MIN_SIZE > 256 || - (KMALLOC_MIN_SIZE & (KMALLOC_MIN_SIZE - 1))); + !is_power_of_2(KMALLOC_MIN_SIZE)); for (i = 8; i < KMALLOC_MIN_SIZE; i += 8) size_index[(i - 1) / 8] = KMALLOC_SHIFT_LOW;
-- Vignesh Babu BM _____________________________________________________________ "Why is it that every time I'm with you, makes me believe in magic?" - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/