x86/intel_rdt: Move pseudo_lock_region_clear()

The pseudo_lock_region_clear() function is moved to earlier in the file in
preparation for its use in functions that currently appear before it. No
functional change.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: fenghua.yu@intel.com
Cc: tony.luck@intel.com
Cc: vikas.shivappa@linux.intel.com
Cc: gavin.hindman@intel.com
Cc: jithu.joseph@intel.com
Cc: dave.hansen@intel.com
Cc: hpa@zytor.com
Link: https://lkml.kernel.org/r/ef098ec2a45501e23792289bff80ae3152141e2f.1530421026.git.reinette.chatre@intel.com

arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c

@@ -246,6 +246,29 @@ static int pseudo_lock_cstates_constrain(struct pseudo_lock_region *plr)
 	return ret;
 }
 
+/**
+ * pseudo_lock_region_clear - Reset pseudo-lock region data
+ * @plr: pseudo-lock region
+ *
+ * All content of the pseudo-locked region is reset - any memory allocated
+ * freed.
+ *
+ * Return: void
+ */
+static void pseudo_lock_region_clear(struct pseudo_lock_region *plr)
+{
+	plr->size = 0;
+	plr->line_size = 0;
+	kfree(plr->kmem);
+	plr->kmem = NULL;
+	plr->r = NULL;
+	if (plr->d)
+		plr->d->plr = NULL;
+	plr->d = NULL;
+	plr->cbm = 0;
+	plr->debugfs_dir = NULL;
+}
+
 /**
  * pseudo_lock_region_init - Initialize pseudo-lock region information
  * @plr: pseudo-lock region
@@ -318,29 +341,6 @@ static int pseudo_lock_init(struct rdtgroup *rdtgrp)
 	return 0;
 }
 
-/**
- * pseudo_lock_region_clear - Reset pseudo-lock region data
- * @plr: pseudo-lock region
- *
- * All content of the pseudo-locked region is reset - any memory allocated
- * freed.
- *
- * Return: void
- */
-static void pseudo_lock_region_clear(struct pseudo_lock_region *plr)
-{
-	plr->size = 0;
-	plr->line_size = 0;
-	kfree(plr->kmem);
-	plr->kmem = NULL;
-	plr->r = NULL;
-	if (plr->d)
-		plr->d->plr = NULL;
-	plr->d = NULL;
-	plr->cbm = 0;
-	plr->debugfs_dir = NULL;
-}
-
 /**
  * pseudo_lock_region_alloc - Allocate kernel memory that will be pseudo-locked
  * @plr: pseudo-lock region