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percpu: remove PERCPU_ENOUGH_ROOM which is stale definition

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As pure cleanup, this patch removes PERCPU_ENOUGH_ROOM which is not
used any more. That is, no code refers to the definition.

Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Jungseok Lee <jungseoklee85@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Jungseok Lee 2015-11-04 13:26:07 +00:00 committed by Tejun Heo
parent 4d4142696e
commit 18fc93fd64
2 changed files with 0 additions and 8 deletions
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2
arch/ia64/include/asm/percpu.h
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@ -6,8 +6,6 @@
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
#define PERCPU_ENOUGH_ROOM PERCPU_PAGE_SIZE
#ifdef __ASSEMBLY__
# define THIS_CPU(var) (var) /* use this to mark accesses to per-CPU variables... */
#else /* !__ASSEMBLY__ */

6
include/linux/percpu.h
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@ -18,12 +18,6 @@
#define PERCPU_MODULE_RESERVE 0
#endif
#ifndef PERCPU_ENOUGH_ROOM
#define PERCPU_ENOUGH_ROOM \
(ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \
PERCPU_MODULE_RESERVE)
#endif
/* minimum unit size, also is the maximum supported allocation size */
#define PCPU_MIN_UNIT_SIZE PFN_ALIGN(32 << 10)