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[PATCH] mm: pagefault_{disable,enable}()
[GitHub/LineageOS/android_kernel_samsung_universal7580.git]
/
include
/
asm-x86_64
/
futex.h
diff --git
a/include/asm-x86_64/futex.h
b/include/asm-x86_64/futex.h
index 9804bf07b092f4bb154f19284047a9a9711bc989..5cdfb08013c38889dc8a42a2dff4c4a3c1833ff8 100644
(file)
--- a/
include/asm-x86_64/futex.h
+++ b/
include/asm-x86_64/futex.h
@@
-55,7
+55,7
@@
futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
return -EFAULT;
-
inc_preempt_count
();
+
pagefault_disable
();
switch (op) {
case FUTEX_OP_SET:
@@
-78,7
+78,7
@@
futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
ret = -ENOSYS;
}
-
dec_preempt_count
();
+
pagefault_enable
();
if (!ret) {
switch (cmp) {