Re: [RFC 4/8] Make clear description of putback_lru_page

[KAMEZAWA Hiroyuki]

On Wed, 27 Apr 2011 01:25:21 +0900
Minchan Kim <minchan.kim@xxxxxxxxx> wrote:

> Commonly, putback_lru_page is used with isolated_lru_page.
> The isolated_lru_page picks the page in middle of LRU and
> putback_lru_page insert the lru in head of LRU.
> It means it could make LRU churning so we have to be very careful.
> Let's clear description of putback_lru_page.
> 
> Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> Cc: Mel Gorman <mgorman@xxxxxxx>
> Cc: Rik van Riel <riel@xxxxxxxxxx>
> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
> Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx>

seems good...
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

But is there consensus which side of LRU is tail? head?
I always need to revisit codes when I see a word head/tail....


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