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mm: remove nr_pages argument from pagevec_lookup{,_range}() 

All users of pagevec_lookup() and pagevec_lookup_range() now pass
PAGEVEC_SIZE as a desired number of pages.

Just drop the argument.

Link: http://lkml.kernel.org/r/20170726114704.7626-11-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
zero-colors
Jan Kara 2017-09-06 16:21:43 -07:00 committed by Linus Torvalds
parent f7b6804687
commit 397162ffa2
8 changed files with 13 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/buffer.c
View File

@ -1633,8 +1633,7 @@ void clean_bdev_aliases(struct block_device *bdev, sector_t block, sector_t len)
end = (block + len - 1) >> (PAGE_SHIFT - bd_inode->i_blkbits);
pagevec_init(&pvec, 0);
while (pagevec_lookup_range(&pvec, bd_mapping, &index, end,
PAGEVEC_SIZE)) {
while (pagevec_lookup_range(&pvec, bd_mapping, &index, end)) {
count = pagevec_count(&pvec);
for (i = 0; i < count; i++) {
struct page *page = pvec.pages[i];
@ -3552,7 +3551,7 @@ page_cache_seek_hole_data(struct inode *inode, loff_t offset, loff_t length,
unsigned nr_pages, i;
nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping, &index,
end - 1, PAGEVEC_SIZE);
end - 1);
if (nr_pages == 0)
break;

2
fs/ext4/file.c
View File

@ -468,7 +468,7 @@ static int ext4_find_unwritten_pgoff(struct inode *inode,
unsigned long nr_pages;
nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping,
&index, end, PAGEVEC_SIZE);
&index, end);
if (nr_pages == 0)
break;

5
fs/ext4/inode.c
View File

@ -1720,8 +1720,7 @@ static void mpage_release_unused_pages(struct mpage_da_data *mpd,
pagevec_init(&pvec, 0);
while (index <= end) {
nr_pages = pagevec_lookup_range(&pvec, mapping, &index, end,
PAGEVEC_SIZE);
nr_pages = pagevec_lookup_range(&pvec, mapping, &index, end);
if (nr_pages == 0)
break;
for (i = 0; i < nr_pages; i++) {
@ -2348,7 +2347,7 @@ static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd)
pagevec_init(&pvec, 0);
while (start <= end) {
nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping,
&start, end, PAGEVEC_SIZE);
&start, end);
if (nr_pages == 0)
break;
for (i = 0; i < nr_pages; i++) {

2
fs/fscache/page.c
View File

@ -1178,7 +1178,7 @@ void __fscache_uncache_all_inode_pages(struct fscache_cookie *cookie,
pagevec_init(&pvec, 0);
next = 0;
do {
if (!pagevec_lookup(&pvec, mapping, &next, PAGEVEC_SIZE))
if (!pagevec_lookup(&pvec, mapping, &next))
break;
for (i = 0; i < pagevec_count(&pvec); i++) {
struct page *page = pvec.pages[i];

3
fs/hugetlbfs/inode.c
View File

@ -413,8 +413,7 @@ static void remove_inode_hugepages(struct inode *inode, loff_t lstart,
/*
* When no more pages are found, we are done.
*/
if (!pagevec_lookup_range(&pvec, mapping, &next, end - 1,
PAGEVEC_SIZE))
if (!pagevec_lookup_range(&pvec, mapping, &next, end - 1))
break;
for (i = 0; i < pagevec_count(&pvec); ++i) {

2
fs/nilfs2/page.c
View File

@ -312,7 +312,7 @@ void nilfs_copy_back_pages(struct address_space *dmap,
pagevec_init(&pvec, 0);
repeat:
n = pagevec_lookup(&pvec, smap, &index, PAGEVEC_SIZE);
n = pagevec_lookup(&pvec, smap, &index);
if (!n)
return;

7
include/linux/pagevec.h
View File

@ -29,13 +29,12 @@ unsigned pagevec_lookup_entries(struct pagevec *pvec,
void pagevec_remove_exceptionals(struct pagevec *pvec);
unsigned pagevec_lookup_range(struct pagevec *pvec,
struct address_space *mapping,
pgoff_t *start, pgoff_t end, unsigned nr_pages);
pgoff_t *start, pgoff_t end);
static inline unsigned pagevec_lookup(struct pagevec *pvec,
struct address_space *mapping,
pgoff_t *start, unsigned nr_pages)
pgoff_t *start)
{
return pagevec_lookup_range(pvec, mapping, start, (pgoff_t)-1,
nr_pages);
return pagevec_lookup_range(pvec, mapping, start, (pgoff_t)-1);
}
unsigned pagevec_lookup_tag(struct pagevec *pvec,

5
mm/swap.c
View File

@ -967,10 +967,9 @@ void pagevec_remove_exceptionals(struct pagevec *pvec)
* reached.
*/
unsigned pagevec_lookup_range(struct pagevec *pvec,
struct address_space *mapping, pgoff_t *start, pgoff_t end,
unsigned nr_pages)
struct address_space *mapping, pgoff_t *start, pgoff_t end)
{
pvec->nr = find_get_pages_range(mapping, start, end, nr_pages,
pvec->nr = find_get_pages_range(mapping, start, end, PAGEVEC_SIZE,
pvec->pages);
return pagevec_count(pvec);
}