ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/powerpc/include/asm/hugetlb.h b/marvell/linux/arch/powerpc/include/asm/hugetlb.h
new file mode 100644
index 0000000..bd6504c
--- /dev/null
+++ b/marvell/linux/arch/powerpc/include/asm/hugetlb.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_HUGETLB_H
+#define _ASM_POWERPC_HUGETLB_H
+
+#ifdef CONFIG_HUGETLB_PAGE
+#include <asm/page.h>
+
+#ifdef CONFIG_PPC_BOOK3S_64
+#include <asm/book3s/64/hugetlb.h>
+#elif defined(CONFIG_PPC_FSL_BOOK3E)
+#include <asm/nohash/hugetlb-book3e.h>
+#elif defined(CONFIG_PPC_8xx)
+#include <asm/nohash/32/hugetlb-8xx.h>
+#endif /* CONFIG_PPC_BOOK3S_64 */
+
+extern bool hugetlb_disabled;
+
+void hugetlbpage_init_default(void);
+
+void flush_dcache_icache_hugepage(struct page *page);
+
+int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
+ unsigned long len);
+
+static inline int is_hugepage_only_range(struct mm_struct *mm,
+ unsigned long addr,
+ unsigned long len)
+{
+ if (IS_ENABLED(CONFIG_PPC_MM_SLICES) && !radix_enabled())
+ return slice_is_hugepage_only_range(mm, addr, len);
+ return 0;
+}
+
+#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
+void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
+ unsigned long end, unsigned long floor,
+ unsigned long ceiling);
+
+#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+#ifdef CONFIG_PPC64
+ return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1));
+#else
+ return __pte(pte_update(ptep, ~0UL, 0));
+#endif
+}
+
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep)
+{
+ huge_ptep_get_and_clear(vma->vm_mm, addr, ptep);
+ flush_hugetlb_page(vma, addr);
+}
+
+#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
+int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep,
+ pte_t pte, int dirty);
+
+static inline void arch_clear_hugepage_flags(struct page *page)
+{
+}
+
+#include <asm-generic/hugetlb.h>
+
+#else /* ! CONFIG_HUGETLB_PAGE */
+static inline void flush_hugetlb_page(struct vm_area_struct *vma,
+ unsigned long vmaddr)
+{
+}
+
+#define hugepd_shift(x) 0
+static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr,
+ unsigned pdshift)
+{
+ return NULL;
+}
+#endif /* CONFIG_HUGETLB_PAGE */
+
+#endif /* _ASM_POWERPC_HUGETLB_H */