Re: [PATCH 4/5] mm: Remove lru parameter from __pagevec_lru_add and remove parts of pagevec API

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On Fri, May 17, 2013 at 04:44:52PM -0400, Johannes Weiner wrote:
> On Fri, May 17, 2013 at 10:48:06AM +0100, Mel Gorman wrote:
> > Now that the LRU to add a page to is decided at LRU-add time, remove the
> > misleading lru parameter from __pagevec_lru_add. A consequence of this is
> > that the pagevec_lru_add_file, pagevec_lru_add_anon and similar helpers
> > are misleading as the caller no longer has direct control over what LRU
> > the page is added to. Unused helpers are removed by this patch and existing
> > users of pagevec_lru_add_file() are converted to use lru_cache_add_file()
> > directly and use the per-cpu pagevecs instead of creating their own pagevec.
> > 
> > Signed-off-by: Mel Gorman <mgorman@xxxxxxx>
> > Reviewed-by: Jan Kara <jack@xxxxxxx>
> > Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
> 
> > @@ -452,8 +448,7 @@ int cachefiles_read_or_alloc_page(struct fscache_retrieval *op,
> >  	if (block) {
> >  		/* submit the apparently valid page to the backing fs to be
> >  		 * read from disk */
> > -		ret = cachefiles_read_backing_file_one(object, op, page,
> > -						       &pagevec);
> > +		ret = cachefiles_read_backing_file_one(object, op, page);
> 
> Also remove the declaration and pagevec_init a few lines up?  Minor
> detail, though.
> 

It's still used and passed to fscache_mark_pages_cached

> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>

Thanks

-- 
Mel Gorman
SUSE Labs
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