Subject: [merged] kernel-delayacctc-remove-redundant-checking-in-__delayacct_add_tsk.patch removed from -mm tree To: gang.chen@xxxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Wed, 13 Nov 2013 12:40:00 -0800 The patch titled Subject: kernel/delayacct.c: remove redundant checking in __delayacct_add_tsk() has been removed from the -mm tree. Its filename was kernel-delayacctc-remove-redundant-checking-in-__delayacct_add_tsk.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Chen Gang <gang.chen@xxxxxxxxxxx> Subject: kernel/delayacct.c: remove redundant checking in __delayacct_add_tsk() The wrapper function delayacct_add_tsk() already checked 'tsk->delays', and __delayacct_add_tsk() has no another direct callers, so can remove the redundancy checking code. And the label 'done' is also useless, so remove it, too. Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/delayacct.c | 7 ------- 1 file changed, 7 deletions(-) diff -puN kernel/delayacct.c~kernel-delayacctc-remove-redundant-checking-in-__delayacct_add_tsk kernel/delayacct.c --- a/kernel/delayacct.c~kernel-delayacctc-remove-redundant-checking-in-__delayacct_add_tsk +++ a/kernel/delayacct.c @@ -108,12 +108,6 @@ int __delayacct_add_tsk(struct taskstats struct timespec ts; cputime_t utime, stime, stimescaled, utimescaled; - /* Though tsk->delays accessed later, early exit avoids - * unnecessary returning of other data - */ - if (!tsk->delays) - goto done; - tmp = (s64)d->cpu_run_real_total; task_cputime(tsk, &utime, &stime); cputime_to_timespec(utime + stime, &ts); @@ -158,7 +152,6 @@ int __delayacct_add_tsk(struct taskstats d->freepages_count += tsk->delays->freepages_count; spin_unlock_irqrestore(&tsk->delays->lock, flags); -done: return 0; } _ Patches currently in -mm which might be from gang.chen@xxxxxxxxxxx are origin.patch kernel-kexecc-use-vscnprintf-instead-of-vsnprintf-in-vmcoreinfo_append_str.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