Re: [PATCH v2 08/12] mm: Remove nr_entries parameter from pagevec_lookup_entries

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On Mon 14-09-20 14:00:38, Matthew Wilcox (Oracle) wrote:
> All callers want to fetch the full size of the pvec.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Looks good. You can add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  include/linux/pagevec.h | 2 +-
>  mm/swap.c               | 4 ++--
>  mm/truncate.c           | 5 ++---
>  3 files changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
> index 4b245592262c..ce77724a2ab7 100644
> --- a/include/linux/pagevec.h
> +++ b/include/linux/pagevec.h
> @@ -27,7 +27,7 @@ void __pagevec_release(struct pagevec *pvec);
>  void __pagevec_lru_add(struct pagevec *pvec);
>  unsigned pagevec_lookup_entries(struct pagevec *pvec,
>  		struct address_space *mapping, pgoff_t start, pgoff_t end,
> -		unsigned nr_entries, pgoff_t *indices);
> +		pgoff_t *indices);
>  void pagevec_remove_exceptionals(struct pagevec *pvec);
>  unsigned pagevec_lookup_range(struct pagevec *pvec,
>  			      struct address_space *mapping,
> diff --git a/mm/swap.c b/mm/swap.c
> index b6e56a84b466..d4e3ba4c967c 100644
> --- a/mm/swap.c
> +++ b/mm/swap.c
> @@ -1058,9 +1058,9 @@ void __pagevec_lru_add(struct pagevec *pvec)
>   */
>  unsigned pagevec_lookup_entries(struct pagevec *pvec,
>  		struct address_space *mapping, pgoff_t start, pgoff_t end,
> -		unsigned nr_entries, pgoff_t *indices)
> +		pgoff_t *indices)
>  {
> -	pvec->nr = find_get_entries(mapping, start, end, nr_entries,
> +	pvec->nr = find_get_entries(mapping, start, end, PAGEVEC_SIZE,
>  				    pvec->pages, indices);
>  	return pagevec_count(pvec);
>  }
> diff --git a/mm/truncate.c b/mm/truncate.c
> index 69ea72e7fc1c..bbd0a02eaed7 100644
> --- a/mm/truncate.c
> +++ b/mm/truncate.c
> @@ -377,7 +377,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
>  	for ( ; ; ) {
>  		cond_resched();
>  		if (!pagevec_lookup_entries(&pvec, mapping, index, end - 1,
> -				PAGEVEC_SIZE, indices)) {
> +				indices)) {
>  			/* If all gone from start onwards, we're done */
>  			if (index == start)
>  				break;
> @@ -611,8 +611,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
>  
>  	pagevec_init(&pvec);
>  	index = start;
> -	while (pagevec_lookup_entries(&pvec, mapping, index, end,
> -			PAGEVEC_SIZE, indices)) {
> +	while (pagevec_lookup_entries(&pvec, mapping, index, end, indices)) {
>  		for (i = 0; i < pagevec_count(&pvec); i++) {
>  			struct page *page = pvec.pages[i];
>  
> -- 
> 2.28.0
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR




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