Merge branch 'topic/asoc' into for-linus

1 files changed, 17 insertions, 5 deletions

diff --git a/mm/percpu.c b/mm/percpu.c
index f47af9123af..bb4be7435ce 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1132,20 +1132,20 @@ static void pcpu_dump_alloc_info(const char *lvl,
 		for (alloc_end += gi->nr_units / upa;
 		     alloc < alloc_end; alloc++) {
 			if (!(alloc % apl)) {
-				printk("\n");
+				printk(KERN_CONT "\n");
 				printk("%spcpu-alloc: ", lvl);
 			}
-			printk("[%0*d] ", group_width, group);
+			printk(KERN_CONT "[%0*d] ", group_width, group);
 
 			for (unit_end += upa; unit < unit_end; unit++)
 				if (gi->cpu_map[unit] != NR_CPUS)
-					printk("%0*d ", cpu_width,
+					printk(KERN_CONT "%0*d ", cpu_width,
 					       gi->cpu_map[unit]);
 				else
-					printk("%s ", empty_str);
+					printk(KERN_CONT "%s ", empty_str);
 		}
 	}
-	printk("\n");
+	printk(KERN_CONT "\n");
 }
 
 /**
@@ -1650,6 +1650,16 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
 		areas[group] = ptr;
 
 		base = min(ptr, base);
+	}
+
+	/*
+	 * Copy data and free unused parts.  This should happen after all
+	 * allocations are complete; otherwise, we may end up with
+	 * overlapping groups.
+	 */
+	for (group = 0; group < ai->nr_groups; group++) {
+		struct pcpu_group_info *gi = &ai->groups[group];
+		void *ptr = areas[group];
 
 		for (i = 0; i < gi->nr_units; i++, ptr += ai->unit_size) {
 			if (gi->cpu_map[i] == NR_CPUS) {
@@ -1885,6 +1895,8 @@ void __init setup_per_cpu_areas(void)
 	fc = __alloc_bootmem(unit_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
 	if (!ai || !fc)
 		panic("Failed to allocate memory for percpu areas.");
+	/* kmemleak tracks the percpu allocations separately */
+	kmemleak_free(fc);
 
 	ai->dyn_size = unit_size;
 	ai->unit_size = unit_size;