sw64: adapt to the upstream changes in huge_ptep_get_and_clear

Fix it according to upstream commit 02410ac ("mm: hugetlb: Add huge
page size param to huge_ptep_get_and_clear()").

Signed-off-by: Gu Zitao <guzitao@wxiat.com>
Reviewed-by: He Sheng <hesheng@wxiat.com>
Signed-off-by: Gu Zitao <guzitao@wxiat.com>
(cherry picked from commit a2f0a96)

Author: Gu Zitao

arch/sw_64/include/asm/hugetlb.h

@@ -15,7 +15,7 @@ extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
 
 #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
 extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
-		unsigned long addr, pte_t *ptep);
+		unsigned long addr, pte_t *ptep, unsigned long sz);
 
 #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
 extern pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr,

arch/sw_64/mm/hugetlbpage_c4.c

@@ -280,7 +280,8 @@ void huge_ptep_set_wrprotect(struct mm_struct *mm,
 }
 
 pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
-		unsigned long addr, pte_t *ptep)
+			      unsigned long addr, pte_t *ptep,
+			      unsigned long sz)
 {
 	int ncontig;
 	size_t pgsize;