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shmem: Convert shmem_unlock_mapping() to use filemap_get_folios() 

This is a straightforward conversion.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-06-04 17:40:17 -04:00
parent 77414d195f
commit 105c988f5d
1 changed files with 6 additions and 7 deletions
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13
mm/shmem.c
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@ -867,18 +867,17 @@ unsigned long shmem_swap_usage(struct vm_area_struct *vma)
*/
void shmem_unlock_mapping(struct address_space *mapping)
{
struct pagevec pvec;
struct folio_batch fbatch;
pgoff_t index = 0;
pagevec_init(&pvec);
folio_batch_init(&fbatch);
/*
* Minor point, but we might as well stop if someone else SHM_LOCKs it.
*/
while (!mapping_unevictable(mapping)) {
if (!pagevec_lookup(&pvec, mapping, &index))
break;
check_move_unevictable_pages(&pvec);
pagevec_release(&pvec);
while (!mapping_unevictable(mapping) &&
filemap_get_folios(mapping, &index, ~0UL, &fbatch)) {
check_move_unevictable_folios(&fbatch);
folio_batch_release(&fbatch);
cond_resched();
}
}