linux-kernel - [PATCH 13/94] media: videobuf2: Use vma_lookup() in get_vaddr

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Message-ID: <20210428153542.2814175-14-Liam.Howlett@Oracle.com>
Date:   Wed, 28 Apr 2021 15:35:49 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     Song Liu <songliubraving@...com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Rik van Riel <riel@...riel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Michel Lespinasse <walken.cr@...il.com>,
        Liam Howlett <liam.howlett@...cle.com>
Subject: [PATCH 13/94] media: videobuf2: Use vma_lookup() in
 get_vaddr_frames()

vma_lookup() does the same as find_vma_intersection() with a range of 1,
but is easier to understand.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 drivers/media/common/videobuf2/frame_vector.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/common/videobuf2/frame_vector.c b/drivers/media/common/videobuf2/frame_vector.c
index 91fea7199e85..b84b706073cb 100644
--- a/drivers/media/common/videobuf2/frame_vector.c
+++ b/drivers/media/common/videobuf2/frame_vector.c
@@ -64,7 +64,7 @@ int get_vaddr_frames(unsigned long start, unsigned int nr_frames,
 	do {
 		unsigned long *nums = frame_vector_pfns(vec);
 
-		vma = find_vma_intersection(mm, start, start + 1);
+		vma = vma_lookup(mm, start);
 		if (!vma)
 			break;
 
-- 
2.30.2