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uapi: Define __BITS_PER_LONG based on compiler target

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* We may compile 32-bit ARM code against these kernel headers in many
  situations, so provide a compiler-defined method of obtaining the width
  of long.

Change-Id: Iac5e48200d70f1258ab3caca1a8f1eb6e8f7f2d3
This commit is contained in:
Ethan Chen 2018-09-03 19:11:39 -07:00 • committed by codeworkx
parent 5c945abcf9
commit e6c2b3cc40
1 changed files with 4 additions and 0 deletions
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arch/arm64/include/uapi/asm/bitsperlong.h
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@ -16,7 +16,11 @@
#ifndef __ASM_BITSPERLONG_H
#define __ASM_BITSPERLONG_H
#ifdef __aarch64__
#define __BITS_PER_LONG 64
#else
#define __BITS_PER_LONG 32
#endif
#include <asm-generic/bitsperlong.h>