linux-kernel - [PATCH 2/9] mm/hugetlb: convert hugetlbfs_pagecache

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Message-Id: <20230119211446.54165-3-sidhartha.kumar@oracle.com>
Date:   Thu, 19 Jan 2023 13:14:39 -0800
From:   Sidhartha Kumar <sidhartha.kumar@...cle.com>
To:     linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:     akpm@...ux-foundation.org, songmuchun@...edance.com,
        mike.kravetz@...cle.com, willy@...radead.org, jhubbard@...dia.com,
        Sidhartha Kumar <sidhartha.kumar@...cle.com>
Subject: [PATCH 2/9] mm/hugetlb: convert hugetlbfs_pagecache_present() to folios

Convert hugetlbfs_pagecache_present() to use folios internally by
replacing a call to find_get_page() to filemap_get_folio().

Signed-off-by: Sidhartha Kumar <sidhartha.kumar@...cle.com>
---
 mm/hugetlb.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 849206e94742..04cbdf5025a5 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5653,15 +5653,15 @@ static bool hugetlbfs_pagecache_present(struct hstate *h,
 {
 	struct address_space *mapping;
 	pgoff_t idx;
-	struct page *page;
+	struct folio *folio;
 
 	mapping = vma->vm_file->f_mapping;
 	idx = vma_hugecache_offset(h, vma, address);
 
-	page = find_get_page(mapping, idx);
-	if (page)
-		put_page(page);
-	return page != NULL;
+	folio = filemap_get_folio(mapping, idx);
+	if (folio)
+		folio_put(folio);
+	return folio != NULL;
 }
 
 int hugetlb_add_to_page_cache(struct page *page, struct address_space *mapping,
-- 
2.39.0