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virtio-balloon: correct the comment of virtballoon_migratepage()

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After commit 68f2736a85 ("mm: Convert all PageMovable users to
movable_operations"), the execution path has been changed to

move_to_new_folio
	movable_operations->migrate_page
		balloon_page_migrate
			balloon_page_migrate->balloon_page_migrate
				balloon_page_migrate

Correct the outdated comment.

Signed-off-by: Xueshi Hu <xueshi.hu@smartx.com>
Message-Id: <20230813140709.835536-1-xueshi.hu@smartx.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
This commit is contained in:
Xueshi Hu 2023-08-13 22:07:09 +08:00 committed by Michael S. Tsirkin
parent c695964474
commit 0cd43eef0a
1 changed files with 1 additions and 1 deletions
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2
drivers/virtio/virtio_balloon.c
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@ -745,7 +745,7 @@ static void report_free_page_func(struct work_struct *work)
* 2) update the host about the old page removed from vb->pages list;
*
* This function preforms the balloon page migration task.
* Called through balloon_mapping->a_ops->migratepage
* Called through movable_operations->migrate_page
*/
static int virtballoon_migratepage(struct balloon_dev_info *vb_dev_info,
struct page *newpage, struct page *page, enum migrate_mode mode)