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mm: add an 'end' parameter to pagevec_lookup_entries

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Simplifies the callers and uses the existing functionality in
find_get_entries().  We can also drop the final argument of
truncate_exceptional_pvec_entries() and simplify the logic in that
function.

Link: https://lkml.kernel.org/r/20201112212641.27837-12-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2021-02-25 17:16:03 -08:00
committed by Linus Torvalds
parent ca122fe40e
commit 31d270fd98
3 changed files with 16 additions and 38 deletions
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8
mm/swap.c
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@@ -1022,6 +1022,7 @@ void __pagevec_lru_add(struct pagevec *pvec)
* @pvec: Where the resulting entries are placed
* @mapping: The address_space to search
* @start: The starting entry index
* @end: The highest index to return (inclusive).
* @nr_entries: The maximum number of pages
* @indices: The cache indices corresponding to the entries in @pvec
*
@@ -1042,11 +1043,10 @@ void __pagevec_lru_add(struct pagevec *pvec)
* found.
*/
unsigned pagevec_lookup_entries(struct pagevec *pvec,
struct address_space *mapping,
pgoff_t start, unsigned nr_entries,
pgoff_t *indices)
struct address_space *mapping, pgoff_t start, pgoff_t end,
unsigned nr_entries, pgoff_t *indices)
{
pvec->nr = find_get_entries(mapping, start, ULONG_MAX, nr_entries,
pvec->nr = find_get_entries(mapping, start, end, nr_entries,
pvec->pages, indices);
return pagevec_count(pvec);
}