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hugetlbfs: convert hugetlb_delete_from_page_cache() to use folios

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Remove the last caller of delete_from_page_cache() by converting the code
to its folio equivalent.

Link: https://lkml.kernel.org/r/20220922154207.1575343-5-sidhartha.kumar@oracle.com
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Colin Cross <ccross@google.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Eric W . Biederman" <ebiederm@xmission.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Sidhartha Kumar 2022-09-22 10:42:06 -05:00 committed by Andrew Morton
parent 149562f750
commit ece62684dc
3 changed files with 6 additions and 12 deletions
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12
fs/hugetlbfs/inode.c
View File

@ -364,11 +364,11 @@ static int hugetlbfs_write_end(struct file *file, struct address_space *mapping,
return -EINVAL;
}
static void hugetlb_delete_from_page_cache(struct page *page)
static void hugetlb_delete_from_page_cache(struct folio *folio)
{
ClearPageDirty(page);
ClearPageUptodate(page);
delete_from_page_cache(page);
folio_clear_dirty(folio);
folio_clear_uptodate(folio);
filemap_remove_folio(folio);
}
/*
@ -574,8 +574,8 @@ static bool remove_inode_single_folio(struct hstate *h, struct inode *inode,
* map could fail. Correspondingly, the subpool and global
* reserve usage count can need to be adjusted.
*/
VM_BUG_ON(HPageRestoreReserve(&folio->page));
hugetlb_delete_from_page_cache(&folio->page);
VM_BUG_ON_FOLIO(folio_test_hugetlb_restore_reserve(folio), folio);
hugetlb_delete_from_page_cache(folio);
ret = true;
if (!truncate_op) {
if (unlikely(hugetlb_unreserve_pages(inode, index,

1
include/linux/pagemap.h
View File

@ -1102,7 +1102,6 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
int filemap_add_folio(struct address_space *mapping, struct folio *folio,
pgoff_t index, gfp_t gfp);
void filemap_remove_folio(struct folio *folio);
void delete_from_page_cache(struct page *page);
void __filemap_remove_folio(struct folio *folio, void *shadow);
void replace_page_cache_page(struct page *old, struct page *new);
void delete_from_page_cache_batch(struct address_space *mapping,

5
mm/folio-compat.c
View File

@ -124,11 +124,6 @@ struct page *grab_cache_page_write_begin(struct address_space *mapping,
}
EXPORT_SYMBOL(grab_cache_page_write_begin);
void delete_from_page_cache(struct page *page)
{
return filemap_remove_folio(page_folio(page));
}
int try_to_release_page(struct page *page, gfp_t gfp)
{
return filemap_release_folio(page_folio(page), gfp);