3.14.72-rt76-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Mike Galbraith Otherwise, we get a ___might_sleep() splat. Signed-off-by: Mike Galbraith Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Steven Rostedt --- mm/zsmalloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index c03ca5e9fe15..df9c7a189118 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1037,7 +1037,7 @@ void *zs_map_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 = per_cpu_ptr(&zs_map_area, get_cpu_light()); area->vm_mm = mm; if (off + class->size <= PAGE_SIZE) { /* this object is contained entirely within a page */ @@ -1083,7 +1083,7 @@ void zs_unmap_object(struct zs_pool *pool, unsigned long handle) __zs_unmap_object(area, pages, off, class->size); } - put_cpu_var(zs_map_area); + put_cpu_light(); } EXPORT_SYMBOL_GPL(zs_unmap_object); -- 2.8.1