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percpu: simplify pcpu_setup_first_chunk()

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Now that all first chunk allocator helpers allocate and map the first
chunk themselves, there's no need to have optional default alloc/map
in pcpu_setup_first_chunk().  Drop @populate_pte_fn and only leave
@dyn_size optional and make all other params mandatory.

This makes it much easier to follow what pcpu_setup_first_chunk() is
doing and what actual differences tweaking each parameter results in.

[ Impact: drop unused code path ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Tejun Heo 2009-07-04 08:10:59 +09:00
parent 8c4bfc6e88
commit 38a6be5254
3 changed files with 33 additions and 78 deletions
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5
include/linux/percpu.h
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@ -66,9 +66,8 @@ typedef void (*pcpu_fc_map_fn_t)(void *ptr, size_t size, void *addr);
extern size_t __init pcpu_setup_first_chunk(pcpu_get_page_fn_t get_page_fn,
size_t static_size, size_t reserved_size,
ssize_t dyn_size, ssize_t unit_size,
void *base_addr,
pcpu_fc_populate_pte_fn_t populate_pte_fn);
ssize_t dyn_size, size_t unit_size,
void *base_addr);
extern ssize_t __init pcpu_embed_first_chunk(
size_t static_size, size_t reserved_size,