From: Minjie Du <duminjie@vivo.com>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-fsdevel@vger.kernel.org (open list:PAGE CACHE),
linux-mm@kvack.org (open list:MEMORY MANAGEMENT),
linux-kernel@vger.kernel.org (open list)
Cc: opensource.kernel@vivo.com, Minjie Du <duminjie@vivo.com>
Subject: [PATCH v1] mm/filemap: increase usage of folio_next_index() helper
Date: Thu, 21 Sep 2023 16:15:35 +0800 [thread overview]
Message-ID: <20230921081535.3398-1-duminjie@vivo.com> (raw)
Simplify code pattern of 'folio->index + folio_nr_pages(folio)' by using
the existing helper folio_next_index() in filemap_map_pages().
Signed-off-by: Minjie Du <duminjie@vivo.com>
---
mm/filemap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 4ea4387053e8..f8d0b97f9e94 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3591,7 +3591,7 @@ vm_fault_t filemap_map_pages(struct vm_fault *vmf,
addr += (xas.xa_index - last_pgoff) << PAGE_SHIFT;
vmf->pte += xas.xa_index - last_pgoff;
last_pgoff = xas.xa_index;
- end = folio->index + folio_nr_pages(folio) - 1;
+ end = folio_next_index(folio) - 1;
nr_pages = min(end, end_pgoff) - xas.xa_index + 1;
if (!folio_test_large(folio))
--
2.39.0
next reply other threads:[~2023-09-21 17:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-21 8:15 Minjie Du [this message]
2023-09-22 3:01 ` Yin, Fengwei
2023-09-22 7:27 ` Matthew Wilcox
2023-11-07 2:46 Minjie Du
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