linux-kernel - [PATCH 1/2] samples/vfio-mdev/mdpy: use remap_vmalloc

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Date:   Mon,  1 Mar 2021 09:22:34 +0100
From:   Christoph Hellwig <hch@....de>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Kirti Wankhede <kwankhede@...dia.com>, linux-mm@...ck.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] samples/vfio-mdev/mdpy: use remap_vmalloc_range

Use remap_vmalloc_range instead of open coding it using
remap_vmalloc_range_partial.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 samples/vfio-mdev/mdpy.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c
index 9894693f3be178..4fc73d0916ef7d 100644
--- a/samples/vfio-mdev/mdpy.c
+++ b/samples/vfio-mdev/mdpy.c
@@ -417,9 +417,7 @@ static int mdpy_mmap(struct mdev_device *mdev, struct vm_area_struct *vma)
 	if ((vma->vm_flags & VM_SHARED) == 0)
 		return -EINVAL;
 
-	return remap_vmalloc_range_partial(vma, vma->vm_start,
-					   mdev_state->memblk, 0,
-					   vma->vm_end - vma->vm_start);
+	return remap_vmalloc_range(vma, mdev_state->memblk, 0);
 }
 
 static int mdpy_get_region_info(struct mdev_device *mdev,
-- 
2.29.2