3 files changed, 8 insertions, 11 deletions

diff --git a/mm/memory.c b/mm/memory.c
index bac2d994850e..e18c57bdc75c 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3951,20 +3951,16 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr,
  * Do not walk the page table directly, use get_user_pages
  */
 int access_process_vm(struct task_struct *tsk, unsigned long addr,
-                void *buf, int len, int write)
+                void *buf, int len, unsigned int gup_flags)
 {
         struct mm_struct *mm;
         int ret;
-        unsigned int flags = FOLL_FORCE;
 
         mm = get_task_mm(tsk);
         if (!mm)
                 return 0;
 
-        if (write)
-                flags |= FOLL_WRITE;
-
-        ret = __access_remote_vm(tsk, mm, addr, buf, len, flags);
+        ret = __access_remote_vm(tsk, mm, addr, buf, len, gup_flags);
 
         mmput(mm);
 
diff --git a/mm/nommu.c b/mm/nommu.c
index 93d5bb53fc63..db5fd1795298 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1861,7 +1861,8 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr,
  * Access another process' address space.
  * - source/target buffer must be kernel space
  */
-int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write)
+int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len,
+                unsigned int gup_flags)
 {
         struct mm_struct *mm;
 
@@ -1872,8 +1873,7 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, in
         if (!mm)
                 return 0;
 
-        len = __access_remote_vm(tsk, mm, addr, buf, len,
-                        write ? FOLL_WRITE : 0);
+        len = __access_remote_vm(tsk, mm, addr, buf, len, gup_flags);
 
         mmput(mm);
         return len;
diff --git a/mm/util.c b/mm/util.c
index 4c685bde5ebc..952cbe7ad7b7 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -624,7 +624,7 @@ int get_cmdline(struct task_struct *task, char *buffer, int buflen)
         if (len > buflen)
                 len = buflen;
 
-        res = access_process_vm(task, arg_start, buffer, len, 0);
+        res = access_process_vm(task, arg_start, buffer, len, FOLL_FORCE);
 
         /*
          * If the nul at the end of args has been overwritten, then
@@ -639,7 +639,8 @@ int get_cmdline(struct task_struct *task, char *buffer, int buflen)
                         if (len > buflen - res)
                                 len = buflen - res;
                         res += access_process_vm(task, env_start,
-                                                 buffer+res, len, 0);
+                                                 buffer+res, len,
+                                                 FOLL_FORCE);
                         res = strnlen(buffer, res);
                 }
         }