The patch titled page-types: exit early when invoked with -d|--describe has been removed from the -mm tree. Its filename was page-types-exit-early-when-invoked-with-d-describe.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/ ------------------------------------------------------ Subject: page-types: exit early when invoked with -d|--describe From: Alex Chiang <achiang@xxxxxx> On a system with large amount of memory (256GB), invoking page-types can take quite a long time, which is unreasonable considering the user only wants a description of the flags: # time ./page-types -d 0x10 0x0000000000000010 ____D_____________________________ dirty real 0m34.285s user 0m1.966s sys 0m32.313s This is because we still walk the entire address range. Exiting early seems like a reasonble solution: # time ./page-types -d 0x10 0x0000000000000010 ____D_____________________________ dirty real 0m0.007s user 0m0.001s sys 0m0.005s Signed-off-by: Alex Chiang <achiang@xxxxxx> Cc: Andi Kleen <andi@xxxxxxxxxxxxxx> Cc: Haicheng Li <haicheng.li@xxxxxxxxx> Acked-by: Wu Fengguang <fengguang.wu@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/vm/page-types.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff -puN Documentation/vm/page-types.c~page-types-exit-early-when-invoked-with-d-describe Documentation/vm/page-types.c --- a/Documentation/vm/page-types.c~page-types-exit-early-when-invoked-with-d-describe +++ a/Documentation/vm/page-types.c @@ -940,9 +940,8 @@ int main(int argc, char *argv[]) parse_bits_mask(optarg); break; case 'd': - opt_no_summary = 1; describe_flags(optarg); - break; + exit(0); case 'l': opt_list = 1; break; _ Patches currently in -mm which might be from achiang@xxxxxx 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