include/linux/hugetlb_inline.h


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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_HUGETLB_INLINE_H
#define _LINUX_HUGETLB_INLINE_H

#include <linux/mm.h>

#ifdef CONFIG_HUGETLB_PAGE

static inline bool is_vm_hugetlb_flags(vm_flags_t vm_flags)
{
	return !!(vm_flags & VM_HUGETLB);
}

static inline bool is_vma_hugetlb_flags(const vma_flags_t *flags)
{
	return vma_flags_test(flags, VMA_HUGETLB_BIT);
}

#else

static inline bool is_vm_hugetlb_flags(vm_flags_t vm_flags)
{
	return false;
}

static inline bool is_vma_hugetlb_flags(const vma_flags_t *flags)
{
	return false;
}

#endif

static inline bool is_vm_hugetlb_page(struct vm_area_struct *vma)
{
	return is_vm_hugetlb_flags(vma->vm_flags);
}

#endif