X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/440d4c6cfad24426bfddca7518f16c17f4e443f7..99c3a10404e5d1ef94397ab4df5a8b74711fc4d3:/osfmk/vm/vm_fault.c

diff --git a/osfmk/vm/vm_fault.c b/osfmk/vm/vm_fault.c
index 6dc7767f5..f4c6f17ef 100644
--- a/osfmk/vm/vm_fault.c
+++ b/osfmk/vm/vm_fault.c
@@ -121,7 +121,8 @@ int	vm_object_pagein_throttle = 16;
  * delay of HARD_THROTTLE_DELAY microseconds before being allowed to try the page fault again.
  */
 
-boolean_t thread_is_io_throttled(void);
+extern boolean_t thread_is_io_throttled(void);
+extern void throttle_lowpri_io(int);
 
 uint64_t vm_hard_throttle_threshold;
 
@@ -1015,6 +1016,7 @@ vm_fault_page(
 					*top_page = first_m;
 					if (type_of_fault)
 						*type_of_fault = DBG_GUARD_FAULT;
+					thread_interrupt_level(interruptible_state);
 					return VM_FAULT_SUCCESS;
 				} else {
 					/*
@@ -4042,6 +4044,8 @@ handle_copy_delay:
 done:
 	thread_interrupt_level(interruptible_state);
 
+	throttle_lowpri_io(TRUE);
+
 	KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE, 
 			      (MACHDBG_CODE(DBG_MACH_VM, 2)) | DBG_FUNC_END,
 			      (int)((uint64_t)vaddr >> 32),