From: Josef Bacik <jbacik@xxxxxx> Now that we have these counters, account for the private pages we allocate in NR_METADATA_BYTES. Signed-off-by: Josef Bacik <jbacik@xxxxxx> --- fs/btrfs/extent_io.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index e11372455fb0..7536352f424d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4802,6 +4802,8 @@ static void btrfs_release_extent_buffer_page(struct extent_buffer *eb) ClearPagePrivate(page); set_page_private(page, 0); + mod_node_page_state(page_pgdat(page), NR_METADATA_BYTES, + -(long)PAGE_SIZE); /* Once for the page private. */ put_page(page); @@ -5081,6 +5083,8 @@ struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info, goto free_eb; } attach_extent_buffer_page(eb, p); + mod_node_page_state(page_pgdat(p), NR_METADATA_BYTES, + PAGE_SIZE); eb->pages[i] = p; } again: -- 2.7.5
