[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / include / linux / pkeys.h

#ifndef _LINUX_PKEYS_H
#define _LINUX_PKEYS_H

#include <linux/mm_types.h>
#include <asm/mmu_context.h>

#ifdef CONFIG_ARCH_HAS_PKEYS
#include <asm/pkeys.h>
#else /* ! CONFIG_ARCH_HAS_PKEYS */
#define arch_max_pkey() (1)
#endif /* ! CONFIG_ARCH_HAS_PKEYS */

/*
 * This is called from mprotect_pkey().
 *
 * Returns true if the protection keys is valid.
 */
static inline bool validate_pkey(int pkey)
{
	if (pkey < 0)
		return false;
	return (pkey < arch_max_pkey());
}

#endif /* _LINUX_PKEYS_H */
Commit	Line	Data
66d37570 DH	1	#ifndef _LINUX_PKEYS_H
	2	#define _LINUX_PKEYS_H
	3
	4	#include <linux/mm_types.h>
	5	#include <asm/mmu_context.h>
	6
	7	#ifdef CONFIG_ARCH_HAS_PKEYS
	8	#include <asm/pkeys.h>
	9	#else /* ! CONFIG_ARCH_HAS_PKEYS */
	10	#define arch_max_pkey() (1)
	11	#endif /* ! CONFIG_ARCH_HAS_PKEYS */
	12
	13	/*
	14	* This is called from mprotect_pkey().
	15	*
	16	* Returns true if the protection keys is valid.
	17	*/
	18	static inline bool validate_pkey(int pkey)
	19	{
	20	if (pkey < 0)
	21	return false;
	22	return (pkey < arch_max_pkey());
	23	}
	24
	25	#endif /* _LINUX_PKEYS_H */