percpu: generalize embedding first chunk setup helper
Impact: code reorganization
Separate out embedding first chunk setup helper from x86 embedding
first chunk allocator and put it in mm/percpu.c. This will be used by
the default percpu first chunk allocator and possibly by other archs.
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index fb455dc..ee5615d 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -111,6 +111,10 @@
void *base_addr,
pcpu_populate_pte_fn_t populate_pte_fn);
+extern ssize_t __init pcpu_embed_first_chunk(
+ size_t static_size, size_t reserved_size,
+ ssize_t dyn_size, ssize_t unit_size);
+
/*
* Use this to get to a cpu's version of the per-cpu object
* dynamically allocated. Non-atomic access to the current CPU's