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add_process_memory_range(): optionally return range object

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This commit is contained in:
Balazs Gerofi
2016-12-30 15:51:17 +09:00
parent 1794232989
commit ec75095073
5 changed files with 51 additions and 59 deletions
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6
kernel/syscall.c
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@@ -1355,7 +1355,7 @@ do_mmap(const intptr_t addr0, const size_t len0, const int prot,
vrflags |= VRFLAG_PROT_TO_MAXPROT(PROT_TO_VR_FLAG(maxprot));
error = add_process_memory_range(thread->vm, addr, addr+len, phys,
vrflags, memobj, off, pgshift);
vrflags, memobj, off, pgshift, NULL);
if (error) {
kprintf("%s: add_process_memory_range failed for 0x%lx:%lu"
" flags: %lx, vrflags: %lx, pgshift: %d, error: %d\n",
@@ -4343,7 +4343,7 @@ SYSCALL_DECLARE(shmat)
memobj_ref(&obj->memobj);
error = add_process_memory_range(vm, addr, addr+len, -1,
vrflags, &obj->memobj, 0, obj->pgshift);
vrflags, &obj->memobj, 0, obj->pgshift, NULL);
if (error) {
if (!(prot & PROT_WRITE)) {
(void)set_host_vma(addr, len, PROT_READ|PROT_WRITE);
@@ -7103,7 +7103,7 @@ SYSCALL_DECLARE(mremap)
error = add_process_memory_range(thread->vm, newstart, newend, -1,
range->flag, range->memobj,
range->objoff + (oldstart - range->start),
range->pgshift);
range->pgshift, NULL);
if (error) {
ekprintf("sys_mremap(%#lx,%#lx,%#lx,%#x,%#lx):"
"add failed. %d\n",