X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Fmemory.c;h=492e36f27f43bb8fea9f6d12c2c2191c265fa6b2;hb=HEAD;hp=22dfa617bddb69af777298c45739a0113f965b13;hpb=632b06aa2842b12c6d6a510ec080fb6ebdb38ea5;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/memory.c b/mm/memory.c
index 22dfa61..492e36f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1120,7 +1120,7 @@ again:
 						addr) != page->index) {
 				pte_t ptfile = pgoff_to_pte(page->index);
 				if (pte_soft_dirty(ptent))
-					pte_file_mksoft_dirty(ptfile);
+					ptfile = pte_file_mksoft_dirty(ptfile);
 				set_pte_at(mm, addr, pte, ptfile);
 			}
 			if (PageAnon(page))
@@ -1929,12 +1929,17 @@ int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
 		     unsigned long address, unsigned int fault_flags)
 {
 	struct vm_area_struct *vma;
+	vm_flags_t vm_flags;
 	int ret;
 
 	vma = find_extend_vma(mm, address);
 	if (!vma || address < vma->vm_start)
 		return -EFAULT;
 
+	vm_flags = (fault_flags & FAULT_FLAG_WRITE) ? VM_WRITE : VM_READ;
+	if (!(vm_flags & vma->vm_flags))
+		return -EFAULT;
+
 	ret = handle_mm_fault(mm, vma, address, fault_flags);
 	if (ret & VM_FAULT_ERROR) {
 		if (ret & VM_FAULT_OOM)
@@ -3751,9 +3756,6 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 		}
 	}
 
-	/* THP should already have been handled */
-	BUG_ON(pmd_numa(*pmd));
-
 	/*
 	 * Use __pte_alloc instead of pte_alloc_map, because we can't
 	 * run pte_offset_map on the pmd, if an huge pmd could