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mm: remove nr_entries parameter from pagevec_lookup_entries 

All callers want to fetch the full size of the pvec.

Link: https://lkml.kernel.org/r/20201112212641.27837-13-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>
master
Matthew Wilcox (Oracle) 2021-02-25 17:16:07 -08:00 committed by Linus Torvalds
parent 31d270fd98
commit 38cefeb337
3 changed files with 5 additions and 6 deletions
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2
include/linux/pagevec.h
View File

@ -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,

4
mm/swap.c
View File

@ -1044,9 +1044,9 @@ 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);
}

5
mm/truncate.c
View File

@ -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;
@ -638,8 +638,7 @@ 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];