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@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <1288158182-1753-1-git-send-email-brgerst@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index 018db9a62ffe7b08ea64a967ab0b0a0a5caedf44..27ef6b190ea6cc5ee84c53dbcd9a38f5c09164d6 100644 (file)
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -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