Merge tag 'for-linus' of git://github.com/openrisc/linux

Pull OpenRISC fixes from Stafford Horne:
 "A few fixes that came in around the time of the merge window"

* tag 'for-linus' of git://github.com/openrisc/linux:
  openrisc: Define memory barrier mb
  openrisc: mm/init.c: remove unused variable 'end' in paging_init()
  openrisc: mm/init.c: remove unused memblock_region variable in map_ram()
  openrisc: Fix a memory leak

Author: torvalds

arch/openrisc/include/asm/barrier.h

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_BARRIER_H
+#define __ASM_BARRIER_H
+
+#define mb() asm volatile ("l.msync" ::: "memory")
+
+#include <asm-generic/barrier.h>
+
+#endif /* __ASM_BARRIER_H */

arch/openrisc/kernel/setup.c

@@ -278,6 +278,8 @@ void calibrate_delay(void)
 	pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n",
 		loops_per_jiffy / (500000 / HZ),
 		(loops_per_jiffy / (5000 / HZ)) % 100, loops_per_jiffy);
+
+	of_node_put(cpu);
 }
 
 void __init setup_arch(char **cmdline_p)

arch/openrisc/mm/init.c

@@ -75,7 +75,6 @@ static void __init map_ram(void)
 	/* These mark extents of read-only kernel pages...
 	 * ...from vmlinux.lds.S
 	 */
-	struct memblock_region *region;
 
 	v = PAGE_OFFSET;
 
@@ -121,15 +120,14 @@ static void __init map_ram(void)
 		}
 
 		printk(KERN_INFO "%s: Memory: 0x%x-0x%x\n", __func__,
-		       region->base, region->base + region->size);
+		       start, end);
 	}
 }
 
 void __init paging_init(void)
 {
 	extern void tlb_init(void);
 
-	unsigned long end;
 	int i;
 
 	printk(KERN_INFO "Setting up paging and PTEs.\n");
@@ -145,8 +143,6 @@ void __init paging_init(void)
 	 */
 	current_pgd[smp_processor_id()] = init_mm.pgd;
 
-	end = (unsigned long)__va(max_low_pfn * PAGE_SIZE);
-
 	map_ram();
 
 	zone_sizes_init();