xfs_scrub: move to mallinfo2 when available

Starting with glibc 2.35, the mallinfo library call has finally been
upgraded to return 64-bit memory usage quantities.  Migrate to the new
call, since it also warns about mallinfo being deprecated.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
5 files changed