The patch titled Subject: proc: use "unsigned int" in /proc/stat hook has been added to the -mm tree. Its filename is proc-use-unsigned-int-in-proc-stat-hook.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/proc-use-unsigned-int-in-proc-stat-hook.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/proc-use-unsigned-int-in-proc-stat-hook.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Alexey Dobriyan <adobriyan@xxxxxxxxx> Subject: proc: use "unsigned int" in /proc/stat hook Number of CPUs is never high enough to force 64-bit arithmetic. Save couple of bytes on x86_64. Link: http://lkml.kernel.org/r/20180627200710.GC18434@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- diff -puN fs/proc/stat.c~proc-use-unsigned-int-in-proc-stat-hook fs/proc/stat.c --- a/fs/proc/stat.c~proc-use-unsigned-int-in-proc-stat-hook +++ a/fs/proc/stat.c @@ -183,7 +183,7 @@ static int show_stat(struct seq_file *p, static int stat_open(struct inode *inode, struct file *file) { - size_t size = 1024 + 128 * num_online_cpus(); + unsigned int size = 1024 + 128 * num_online_cpus(); /* minimum size to display an interrupt count : 2 bytes */ size += 2 * nr_irqs; _ Patches currently in -mm which might be from adobriyan@xxxxxxxxx are proc-condemn-myself-to-maintainers.patch proc-fixup-pde-allocation-bloat.patch proc-test-proc-self-symlink.patch proc-test-proc-thread-self-symlink.patch proc-smaller-readlock-section-in-readdir-proc.patch proc-put-task-earlier-in-proc-fail-nth.patch proc-save-2-atomic-ops-on-write-to-proc-attr.patch proc-use-macro-in-proc-latency-hook.patch proc-spread-const-a-bit.patch proc-use-unsigned-int-in-proc-stat-hook.patch proc-use-%02u-format.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