vm: add VM_FAULT_SIGSEGV handling support

[firefly-linux-kernel-4.4.55.git] / mm / ksm.c

diff --git a/mm/ksm.c b/mm/ksm.c
index 784d1e4bc3852ef0598708263ad39aaa01f46885..7bf748f30aab4f05c9828b6a98ee3400b96515e0 100644 (file)
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -376,7 +376,7 @@ static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
                else
                        ret = VM_FAULT_WRITE;
                put_page(page);
-       } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_OOM)));
+       } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | VM_FAULT_OOM)));
        /*
         * We must loop because handle_mm_fault() may back out if there's
         * any difficulty e.g. if pte accessed bit gets updated concurrently.