diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index a30da6f2c28e..a41299010b5e 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -38,6 +38,7 @@
 #include <linux/smp.h>
 #include <linux/pagemap.h>
 #include <linux/mount.h>
+#include <linux/pseudo_fs.h>
 #include <linux/bitops.h>
 #include <linux/capability.h>
 #include <linux/rcupdate.h>
@@ -599,17 +600,19 @@ pfm_unprotect_ctx_ctxsw(pfm_context_t *x, unsigned long f)
 /* forward declaration */
 static const struct dentry_operations pfmfs_dentry_operations;
 
-static struct dentry *
-pfmfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data)
+static int pfmfs_init_fs_context(struct fs_context *fc)
 {
-	return mount_pseudo(fs_type, NULL, &pfmfs_dentry_operations,
-			PFMFS_MAGIC);
+	struct pseudo_fs_context *ctx = init_pseudo(fc, PFMFS_MAGIC);
+	if (!ctx)
+		return -ENOMEM;
+	ctx->dops = &pfmfs_dentry_operations;
+	return 0;
 }
 
 static struct file_system_type pfm_fs_type = {
-	.name     = "pfmfs",
-	.mount    = pfmfs_mount,
-	.kill_sb  = kill_anon_super,
+	.name			= "pfmfs",
+	.init_fs_context	= pfmfs_init_fs_context,
+	.kill_sb		= kill_anon_super,
 };
 MODULE_ALIAS_FS("pfmfs");