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-rw-r--r--mm/zsmalloc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 36b4591a7a2d..fe78189624cf 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -141,7 +141,7 @@
#define ZS_MAX_ALLOC_SIZE PAGE_SIZE
/*
- * On systems with 4K page size, this gives 254 size classes! There is a
+ * On systems with 4K page size, this gives 255 size classes! There is a
* trader-off here:
* - Large number of size classes is potentially wasteful as free page are
* spread across these classes
@@ -1082,7 +1082,7 @@ void zs_unmap_object(struct zs_pool *pool, unsigned long handle)
class = &pool->size_class[class_idx];
off = obj_idx_to_offset(page, obj_idx, class->size);
- area = &__get_cpu_var(zs_map_area);
+ area = this_cpu_ptr(&zs_map_area);
if (off + class->size <= PAGE_SIZE)
kunmap_atomic(area->vm_addr);
else {