Minix/minix
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Use netbsd <sys/mman.h>

Browse Source 
Change-Id: I80e9cffc80140383a6faf692248573c64d282b4a
This commit is contained in:
Ben Gras
2013-11-28 17:51:21 +01:00
committed by Lionel Sambuc
parent 364953ad40
commit 88be7bd333
10 changed files with 99 additions and 100 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
servers/vm/mem_cache.c
View File

@@ -86,8 +86,8 @@ int
do_mapcache(message *msg)
{
dev_t dev = msg->m_u.m_vmmcp.dev;
u64_t dev_off = (u64_t) msg->m_u.m_vmmcp.dev_offset_pages * VM_PAGE_SIZE;
u64_t ino_off = (u64_t) msg->m_u.m_vmmcp.ino_offset_pages * VM_PAGE_SIZE;
u64_t dev_off = msg->m_u.m_vmmcp.dev_offset;
u64_t ino_off = msg->m_u.m_vmmcp.ino_offset;
int n;
phys_bytes bytes = msg->m_u.m_vmmcp.pages * VM_PAGE_SIZE;
struct vir_region *vr;
@@ -95,6 +95,11 @@ do_mapcache(message *msg)
vir_bytes offset;
int io = 0;
if(dev_off % PAGE_SIZE || ino_off % PAGE_SIZE) {
printf("VM: unaligned cache operation\n");
return EFAULT;
}
if(vm_isokendpt(msg->m_source, &n) != OK) panic("bogus source");
caller = &vmproc[n];
@@ -166,8 +171,8 @@ do_setcache(message *msg)
{
int r;
dev_t dev = msg->m_u.m_vmmcp.dev;
u64_t dev_off = (u64_t) msg->m_u.m_vmmcp.dev_offset_pages * VM_PAGE_SIZE;
u64_t ino_off = (u64_t) msg->m_u.m_vmmcp.ino_offset_pages * VM_PAGE_SIZE;
u64_t dev_off = (u64_t) msg->m_u.m_vmmcp.dev_offset;
u64_t ino_off = (u64_t) msg->m_u.m_vmmcp.ino_offset;
int n;
struct vmproc *caller;
phys_bytes offset;
@@ -175,6 +180,11 @@ do_setcache(message *msg)
if(bytes < VM_PAGE_SIZE) return EINVAL;
if(dev_off % PAGE_SIZE || ino_off % PAGE_SIZE) {
printf("VM: unaligned cache operation\n");
return EFAULT;
}
if(vm_isokendpt(msg->m_source, &n) != OK) panic("bogus source");
caller = &vmproc[n];