From b4101d9c36a26de2a98add625262ab6d4b475a70 Mon Sep 17 00:00:00 2001
From: Masamichi Takagi <masamichi.takagi@riken.jp>
Date: Fri, 20 Sep 2019 13:01:38 +0900
Subject: [PATCH] brk: Fall back to demand-paging only when physically
 contiguous memory is unavailable

Change-Id: Id5d937b2cab7de1ad8925c9b95d85fcb620df9c6
Refs: #1353
Fujitsu: POSTK_DEBUG_ARCH_DEP_60
---
 kernel/syscall.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/syscall.c b/kernel/syscall.c
index 1012d66b..a54f40db 100644
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@@ -2197,11 +2197,7 @@ SYSCALL_DECLARE(brk)
 	}
 
 	/* Try to extend memory region */
-#ifdef POSTK_DEBUG_ARCH_DEP_60 /* brk() use demand-paging */
-	vrflag = VR_PROT_READ | VR_PROT_WRITE | VR_DEMAND_PAGING;
-#else /* POSTK_DEBUG_ARCH_DEP_60 */
 	vrflag = VR_PROT_READ | VR_PROT_WRITE;
-#endif /* POSTK_DEBUG_ARCH_DEP_60 */
 	vrflag |= VR_PRIVATE;
 	vrflag |= VRFLAG_PROT_TO_MAXPROT(vrflag);
 	old_brk_end_allocated = region->brk_end_allocated;