linux-kernel - [tip:x86/urgent] percpu: Remove the multi-page alignment facility

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Message-ID: <tip-47f19a0814e80e1d4e5c17d61b70fca85ea09162@git.kernel.org>
Date:	Wed, 27 Oct 2010 16:04:17 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	torvalds@...ux-foundation.org, brgerst@...il.com, tj@...nel.org,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/urgent] percpu: Remove the multi-page alignment facility

Commit-ID:  47f19a0814e80e1d4e5c17d61b70fca85ea09162
Gitweb:     http://git.kernel.org/tip/47f19a0814e80e1d4e5c17d61b70fca85ea09162
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Wed, 27 Oct 2010 17:41:17 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
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@...il.com>
Acked-by: Tejun Heo <tj@...nel.org>
Acked-by: Linus Torvalds <torvalds@...ux-foundation.org>
LKML-Reference: <1288158182-1753-1-git-send-email-brgerst@...il.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 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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