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percpu: Remove the multi-page alignment facility

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[DECLARE|DEFINE]_PER_CPU_MULTIPAGE_ALIGNED never really worked because
the head percpu section was only page aligned. Now that the last user
is gone (32-bit IRQ stacks), remove the generic percpu facility.

Cc: Brian Gerst <[email protected]>
Acked-by: Tejun Heo <[email protected]>
Acked-by: Linus Torvalds <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar committed 2010-10-27 17:53:25 +02:00
1 parent 22d4cd4c4d
commit 47f19a0814
1 file changed
-12
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include/linux/percpu-defs.h
-12
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@@ -147,18 +147,6 @@
#define DEFINE_PER_CPU_READ_MOSTLY(type, name) \
DEFINE_PER_CPU_SECTION(type, name, "..readmostly")
/*
* Declaration/definition used for large per-CPU variables that must be
* aligned to something larger than the pagesize.
*/
#define DECLARE_PER_CPU_MULTIPAGE_ALIGNED(type, name, size) \
DECLARE_PER_CPU_SECTION(type, name, "..page_aligned") \
__aligned(size)
#define DEFINE_PER_CPU_MULTIPAGE_ALIGNED(type, name, size) \
DEFINE_PER_CPU_SECTION(type, name, "..page_aligned") \
__aligned(size)
/*
* Intermodule exports for per-CPU variables. sparse forgets about
* address space across EXPORT_SYMBOL(), change EXPORT_SYMBOL() to