original_kernel/include/linux/hugetlb_inline.h

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#ifndef _LINUX_HUGETLB_INLINE_H
#define _LINUX_HUGETLB_INLINE_H
#ifdef CONFIG_HUGETLB_PAGE
#include <linux/mm.h>
static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
{
return vma->vm_flags & VM_HUGETLB;
}
#else
static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
{
return 0;
}
#endif
#endif