Commit b4d34037 authored by Denis V. Lunev's avatar Denis V. Lunev Committed by Michael S. Tsirkin

virtio_ballon: change stub of release_pages_by_pfn

and rename it to release_pages_balloon. The function originally takes
arrays of pfns and now it takes pointer to struct virtio_ballon.
This change is necessary to conditionally call adjust_managed_page_count
in the next patch.
Signed-off-by: default avatarDenis V. Lunev <den@openvz.org>
CC: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 5fa3142d
...@@ -166,13 +166,13 @@ static void fill_balloon(struct virtio_balloon *vb, size_t num) ...@@ -166,13 +166,13 @@ static void fill_balloon(struct virtio_balloon *vb, size_t num)
mutex_unlock(&vb->balloon_lock); mutex_unlock(&vb->balloon_lock);
} }
static void release_pages_by_pfn(const u32 pfns[], unsigned int num) static void release_pages_balloon(struct virtio_balloon *vb)
{ {
unsigned int i; unsigned int i;
/* Find pfns pointing at start of each page, get pages and free them. */ /* Find pfns pointing at start of each page, get pages and free them. */
for (i = 0; i < num; i += VIRTIO_BALLOON_PAGES_PER_PAGE) { for (i = 0; i < vb->num_pfns; i += VIRTIO_BALLOON_PAGES_PER_PAGE) {
struct page *page = balloon_pfn_to_page(pfns[i]); struct page *page = balloon_pfn_to_page(vb->pfns[i]);
adjust_managed_page_count(page, 1); adjust_managed_page_count(page, 1);
put_page(page); /* balloon reference */ put_page(page); /* balloon reference */
} }
...@@ -206,7 +206,7 @@ static unsigned leak_balloon(struct virtio_balloon *vb, size_t num) ...@@ -206,7 +206,7 @@ static unsigned leak_balloon(struct virtio_balloon *vb, size_t num)
if (vb->num_pfns != 0) if (vb->num_pfns != 0)
tell_host(vb, vb->deflate_vq); tell_host(vb, vb->deflate_vq);
mutex_unlock(&vb->balloon_lock); mutex_unlock(&vb->balloon_lock);
release_pages_by_pfn(vb->pfns, vb->num_pfns); release_pages_balloon(vb);
return num_freed_pages; return num_freed_pages;
} }
......
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