xfs: don't use __GFP_RETRY_MAYFAIL in xfs_initialize_perag

__GFP_RETRY_MAYFAIL increases the likelyhood of allocations to fail,
which isn't really helpful during log recovery.  Remove the flag and
stick to the default GFP_KERNEL policies.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

Author: Christoph Hellwig

fs/xfs/libxfs/xfs_ag.c

@@ -286,7 +286,7 @@ xfs_initialize_perag(
 	int			error;
 
 	for (index = old_agcount; index < new_agcount; index++) {
-		pag = kzalloc(sizeof(*pag), GFP_KERNEL | __GFP_RETRY_MAYFAIL);
+		pag = kzalloc(sizeof(*pag), GFP_KERNEL);
 		if (!pag) {
 			error = -ENOMEM;
 			goto out_unwind_new_pags;