Commit-ID: 1bf08230f745e48fea9c18ee34a73581631fe7c9 Gitweb: http://git.kernel.org/tip/1bf08230f745e48fea9c18ee34a73581631fe7c9 Author: Andrei Epure <epure.and...@gmail.com> AuthorDate: Tue, 12 Mar 2013 21:12:24 +0200 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Thu, 14 Mar 2013 08:22:29 +0100
sched: Fix variable name misnomer, add comments The min_vruntime variable actually stores the maximum value. The added comment was taken from place_entity function. Signed-off-by: Andrei Epure <epure.and...@gmail.com> Cc: pet...@infradead.org Link: http://lkml.kernel.org/r/1363115544-1964-1-git-send-email-epure.and...@gmail.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- kernel/sched/fair.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 22bd9e6..539760e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -431,13 +431,13 @@ void account_cfs_rq_runtime(struct cfs_rq *cfs_rq, unsigned long delta_exec); * Scheduling class tree data structure manipulation methods: */ -static inline u64 max_vruntime(u64 min_vruntime, u64 vruntime) +static inline u64 max_vruntime(u64 max_vruntime, u64 vruntime) { - s64 delta = (s64)(vruntime - min_vruntime); + s64 delta = (s64)(vruntime - max_vruntime); if (delta > 0) - min_vruntime = vruntime; + max_vruntime = vruntime; - return min_vruntime; + return max_vruntime; } static inline u64 min_vruntime(u64 min_vruntime, u64 vruntime) @@ -473,6 +473,7 @@ static void update_min_vruntime(struct cfs_rq *cfs_rq) vruntime = min_vruntime(vruntime, se->vruntime); } + /* ensure we never gain time by being placed backwards. */ cfs_rq->min_vruntime = max_vruntime(cfs_rq->min_vruntime, vruntime); #ifndef CONFIG_64BIT smp_wmb(); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
