mm: make !CONFIG_HUGE_PAGE wrappers into static inlines (442a5a9a) · Commits · e / devices / android_kernel_fairphone_FP5

include/linux/hugetlb.h

+86 −16

Original line number	Diff line number	Diff line
		@@ -608,22 +608,92 @@ static inline void huge_ptep_modify_prot_commit(struct vm_area_struct *vma,

		#else /* CONFIG_HUGETLB_PAGE */
		struct hstate {};
		#define alloc_huge_page(v, a, r) NULL
		#define alloc_huge_page_node(h, nid) NULL
		#define alloc_huge_page_nodemask(h, preferred_nid, nmask) NULL
		#define alloc_huge_page_vma(h, vma, address) NULL
		#define alloc_bootmem_huge_page(h) NULL
		#define hstate_file(f) NULL
		#define hstate_sizelog(s) NULL
		#define hstate_vma(v) NULL
		#define hstate_inode(i) NULL
		#define page_hstate(page) NULL
		#define huge_page_size(h) PAGE_SIZE
		#define huge_page_mask(h) PAGE_MASK
		#define vma_kernel_pagesize(v) PAGE_SIZE
		#define vma_mmu_pagesize(v) PAGE_SIZE
		#define huge_page_order(h) 0
		#define huge_page_shift(h) PAGE_SHIFT

		static inline struct page alloc_huge_page(struct vm_area_struct vma,
		unsigned long addr,
		int avoid_reserve)
		{
		return NULL;
		}

		static inline struct page alloc_huge_page_node(struct hstate h, int nid)
		{
		return NULL;
		}

		static inline struct page *
		alloc_huge_page_nodemask(struct hstate h, int preferred_nid, nodemask_t nmask)
		{
		return NULL;
		}

		static inline struct page alloc_huge_page_vma(struct hstate h,
		struct vm_area_struct *vma,
		unsigned long address)
		{
		return NULL;
		}

		static inline int __alloc_bootmem_huge_page(struct hstate *h)
		{
		return 0;
		}

		static inline struct hstate hstate_file(struct file f)
		{
		return NULL;
		}

		static inline struct hstate *hstate_sizelog(int page_size_log)
		{
		return NULL;
		}

		static inline struct hstate hstate_vma(struct vm_area_struct vma)
		{
		return NULL;
		}

		static inline struct hstate hstate_inode(struct inode i)
		{
		return NULL;
		}

		static inline struct hstate page_hstate(struct page page)
		{
		return NULL;
		}

		static inline unsigned long huge_page_size(struct hstate *h)
		{
		return PAGE_SIZE;
		}

		static inline unsigned long huge_page_mask(struct hstate *h)
		{
		return PAGE_MASK;
		}

		static inline unsigned long vma_kernel_pagesize(struct vm_area_struct *vma)
		{
		return PAGE_SIZE;
		}

		static inline unsigned long vma_mmu_pagesize(struct vm_area_struct *vma)
		{
		return PAGE_SIZE;
		}

		static inline unsigned int huge_page_order(struct hstate *h)
		{
		return 0;
		}

		static inline unsigned int huge_page_shift(struct hstate *h)
		{
		return PAGE_SHIFT;
		}

		static inline bool hstate_is_gigantic(struct hstate *h)
		{
		return false;