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s390: unify stack size definitions

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Remove STACK_ORDER and STACK_SIZE in favour of identical THREAD_SIZE_ORDER
and THREAD_SIZE definitions. THREAD_SIZE and THREAD_SIZE_ORDER naming is
misleading since it is used as general kernel stack size information. But
both those definitions are used in the common code and throughout
architectures specific code, so changing the naming is problematic.

Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Vasily Gorbik
2018-09-18 18:23:40 +02:00
committed by Martin Schwidefsky
parent ce3dc44749
commit 32ce55a659
6 changed files with 16 additions and 21 deletions
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8
arch/s390/include/asm/processor.h
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@@ -162,14 +162,6 @@ struct thread_struct {
typedef struct thread_struct thread_struct;
/*
* General size of a stack
*/
#define STACK_ORDER 2
#define STACK_SIZE (PAGE_SIZE << STACK_ORDER)
#define STACK_INIT_OFFSET \
(STACK_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs))
/*
* Stack layout of a C stack frame.
*/