[tip:x86/urgent] percpu: Remove the multi-page alignment facility
From: tip-bot for Ingo Molnar
Date: Wed Oct 27 2010 - 12:05:43 EST
Commit-ID: 47f19a0814e80e1d4e5c17d61b70fca85ea09162
Gitweb: http://git.kernel.org/tip/47f19a0814e80e1d4e5c17d61b70fca85ea09162
Author: Ingo Molnar <mingo@xxxxxxx>
AuthorDate: Wed, 27 Oct 2010 17:41:17 +0200
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 27 Oct 2010 17:53:25 +0200
percpu: Remove the multi-page alignment facility
[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 <brgerst@xxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Acked-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
LKML-Reference: <1288158182-1753-1-git-send-email-brgerst@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
include/linux/percpu-defs.h | 12 ------------
1 files changed, 0 insertions(+), 12 deletions(-)
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index 018db9a..27ef6b1 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -148,18 +148,6 @@
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
* noop if __CHECKER__.
--
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