linux-kernel - Re: [PATCH] mm: simplify node/zone name printing

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Message-ID: <20161219082705.GA4298@jagdpanzerIV.localdomain>
Date:   Mon, 19 Dec 2016 17:27:05 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mel Gorman <mgorman@...e.de>,
        Johannes Weiner <hannes@...xchg.org>,
        Joonsoo Kim <js1304@...il.com>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>,
        Petr Mladek <pmladek@...e.cz>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH] mm: simplify node/zone name printing

On (12/19/16 09:12), Michal Hocko wrote:
> On Mon 19-12-16 16:32:28, Sergey Senozhatsky wrote:
> [...]
> > as far as I can tell, now for_each_populated_zone() iterations are
> > split by non-CONT printk() from show_zone_node(), which previously
> > has been   printk(KERN_CONT "%s: ", zone->name), so pr_cont(\n)
> > between iterations was important, but now that non-CONT printk()
> > should do the trick. it's _a bit_ hacky, though.
> 
> Do you consider that more hacky than the original?

well, slightly. merely because (to me) implicit always relies on
internals, which can change; while explicit does not (ideally).
simply because of that.

but I don't have any problems with your patch.

	-ss