From: Kees Jongenburger <kees.jongenburger@gmail.com>
Date: Fri, 13 Sep 2013 07:48:45 +0000 (+0200)
Subject: arm:clarify pagetable code.
X-Git-Tag: v3.3.0~782
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/verify-sign/verify.pl?a=commitdiff_plain;h=refs%2Fchanges%2F57%2F857%2F1;p=minix.git

arm:clarify pagetable code.

Make it clear that non RW mapped memory is mapped RO.
---

diff --git a/servers/vm/arch/i386/pagetable.c b/servers/vm/arch/i386/pagetable.c
index 97200278a..76d285195 100644
--- a/servers/vm/arch/i386/pagetable.c
+++ b/servers/vm/arch/i386/pagetable.c
@@ -1139,13 +1139,16 @@ void pt_init(void)
 #endif
 			if(flags & VMMF_WRITE)
 				kern_mappings[pindex].flags |= ARCH_VM_PTE_RW;
+#if defined(__arm__)
+			else 
+				kern_mappings[pindex].flags |= ARCH_VM_PTE_RO;
+#endif
+
 #if defined(__i386__)
 			if(flags & VMMF_GLO)
 				kern_mappings[pindex].flags |= I386_VM_GLOBAL;
-#elif defined(__arm__)
-			else
-				kern_mappings[pindex].flags |= ARCH_VM_PTE_RO;
 #endif
+
 			if(addr % VM_PAGE_SIZE)
                 		panic("VM: addr unaligned: %lu", addr);
 			if(len % VM_PAGE_SIZE)