Re: [PATCH] vmscan: make kswapd use a correct order

[Andrew Morton]

On Fri,  3 Dec 2010 01:00:49 +0900
Minchan Kim <minchan.kim@xxxxxxxxx> wrote:

> +static bool kswapd_try_to_sleep(pg_data_t *pgdat, int order)

OT: kswapd_try_to_sleep() does a
trace_mm_vmscan_kswapd_sleep(pgdat->node_id) if it sleeps for a long
time, but doesn't trace anything at all if it does a short sleep. 
Where's the sense in that?
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