From: Ben Gras <ben@minix3.org>
Date: Thu, 11 Oct 2012 13:15:48 +0000 (+0200)
Subject: VM: munmap used by VM for itself is no longer used
X-Git-Tag: v3.2.1~289
X-Git-Url: http://zhaoyanbai.com/repos/html/index.html?a=commitdiff_plain;h=fd4ddef49a10751e21aa1250709e20a617a9f7dc;p=minix.git

VM: munmap used by VM for itself is no longer used
---

diff --git a/servers/vm/mmap.c b/servers/vm/mmap.c
index 6a2470071..57313bb9e 100644
--- a/servers/vm/mmap.c
+++ b/servers/vm/mmap.c
@@ -446,41 +446,3 @@ int do_munmap(message *m)
 	return OK;
 }
 
-int unmap_ok = 0;
-
-/*===========================================================================*
- *                     munmap_lin (used for overrides for VM)                *
- *===========================================================================*/
-static int munmap_lin(vir_bytes addr, size_t len)
-{
-	if(addr % VM_PAGE_SIZE) {
-		printf("munmap_lin: offset not page aligned\n");
-		return EFAULT;
-	}
-
-	if(len % VM_PAGE_SIZE) {
-		printf("munmap_lin: len not page aligned\n");
-		return EFAULT;
-	}
-
-	if(pt_writemap(NULL, &vmproc[VM_PROC_NR].vm_pt, addr, MAP_NONE, len, 0,
-		WMF_OVERWRITE | WMF_FREE) != OK) {
-		printf("munmap_lin: pt_writemap failed\n");
-		return EFAULT;
-	}
-
-	return OK;
-}
-
-/*===========================================================================*
- *                              munmap (override for VM)                    *
- *===========================================================================*/
-int minix_munmap(void *addr, size_t len)
-{
-	vir_bytes laddr;
-	if(!unmap_ok)
-		return ENOSYS;
-	laddr = (vir_bytes) (vir_bytes) addr;
-	return munmap_lin(laddr, len);
-}
-