aboutsummaryrefslogtreecommitdiffstats
path: root/mm/memory.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 3cbeaaba564..4b5200f5f35 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1217,8 +1217,6 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
unsigned int vm_flags = 0;
int write = !!(flags & GUP_FLAGS_WRITE);
int force = !!(flags & GUP_FLAGS_FORCE);
- int ignore = !!(flags & GUP_FLAGS_IGNORE_VMA_PERMISSIONS);
- int ignore_sigkill = !!(flags & GUP_FLAGS_IGNORE_SIGKILL);
if (nr_pages <= 0)
return 0;
@@ -1244,7 +1242,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
pte_t *pte;
/* user gate pages are read-only */
- if (!ignore && write)
+ if (write)
return i ? : -EFAULT;
if (pg > TASK_SIZE)
pgd = pgd_offset_k(pg);
@@ -1278,7 +1276,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
if (!vma ||
(vma->vm_flags & (VM_IO | VM_PFNMAP)) ||
- (!ignore && !(vm_flags & vma->vm_flags)))
+ !(vm_flags & vma->vm_flags))
return i ? : -EFAULT;
if (is_vm_hugetlb_page(vma)) {
@@ -1298,13 +1296,9 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
/*
* If we have a pending SIGKILL, don't keep faulting
- * pages and potentially allocating memory, unless
- * current is handling munlock--e.g., on exit. In
- * that case, we are not allocating memory. Rather,
- * we're only unlocking already resident/mapped pages.
+ * pages and potentially allocating memory.
*/
- if (unlikely(!ignore_sigkill &&
- fatal_signal_pending(current)))
+ if (unlikely(fatal_signal_pending(current)))
return i ? i : -ERESTARTSYS;
if (write)