9b89a03551
XArray marks are like the radix tree tags, only slightly more strongly typed. They are renamed in order to distinguish them from tagged pointers. This commit adds the basic get/set/clear operations. Signed-off-by: Matthew Wilcox <willy@infradead.org>
19 lines
499 B
C
19 lines
499 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
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#define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
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#include <asm/types.h>
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#include <asm/bitsperlong.h>
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static inline void set_bit(int nr, unsigned long *addr)
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{
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addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
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}
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static inline void clear_bit(int nr, unsigned long *addr)
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{
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addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
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}
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#endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */
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