mm: unexport __get_user_pages()

[cascardo/linux.git] / virt / kvm / kvm_main.c

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 81dfc73..2907b7b 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1346,21 +1346,19 @@ unsigned long kvm_vcpu_gfn_to_hva_prot(struct kvm_vcpu *vcpu, gfn_t gfn, bool *w
 static int get_user_page_nowait(unsigned long start, int write,
                struct page **page)
 {
-       int flags = FOLL_TOUCH | FOLL_NOWAIT | FOLL_HWPOISON | FOLL_GET;
+       int flags = FOLL_NOWAIT | FOLL_HWPOISON;
 
        if (write)
                flags |= FOLL_WRITE;
 
-       return __get_user_pages(current, current->mm, start, 1, flags, page,
-                       NULL, NULL);
+       return get_user_pages(start, 1, flags, page, NULL);
 }
 
 static inline int check_user_page_hwpoison(unsigned long addr)
 {
-       int rc, flags = FOLL_TOUCH | FOLL_HWPOISON | FOLL_WRITE;
+       int rc, flags = FOLL_HWPOISON | FOLL_WRITE;
 
-       rc = __get_user_pages(current, current->mm, addr, 1,
-                             flags, NULL, NULL, NULL);
+       rc = get_user_pages(addr, 1, flags, NULL, NULL);
        return rc == -EHWPOISON;
 }
 
@@ -1416,10 +1414,15 @@ static int hva_to_pfn_slow(unsigned long addr, bool *async, bool write_fault,
                down_read(&current->mm->mmap_sem);
                npages = get_user_page_nowait(addr, write_fault, page);
                up_read(&current->mm->mmap_sem);
-       } else
+       } else {
+               unsigned int flags = FOLL_TOUCH | FOLL_HWPOISON;
+
+               if (write_fault)
+                       flags |= FOLL_WRITE;
+
                npages = __get_user_pages_unlocked(current, current->mm, addr, 1,
-                                                  write_fault, 0, page,
-                                                  FOLL_TOUCH|FOLL_HWPOISON);
+                                                  page, flags);
+       }
        if (npages != 1)
                return npages;