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add a member pgshift into struct vm_range

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pgshift indicates a page size in the range.
This commit is contained in:
NAKAMURA Gou
2016-03-15 15:16:27 +09:00
parent 1a3bc851af
commit 261bddb999
4 changed files with 21 additions and 11 deletions
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9
kernel/syscall.c
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@@ -1117,7 +1117,8 @@ 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);
error = add_process_memory_range(thread->vm, addr, addr+len, phys,
vrflags, memobj, off, PAGE_SHIFT);
if (error) {
ekprintf("do_mmap:add_process_memory_range"
"(%p,%lx,%lx,%lx,%lx) failed %d\n",
@@ -3756,7 +3757,8 @@ SYSCALL_DECLARE(shmat)
memobj_ref(&obj->memobj);
error = add_process_memory_range(thread->vm, addr, addr+len, -1, vrflags, &obj->memobj, 0);
error = add_process_memory_range(thread->vm, addr, addr+len, -1,
vrflags, &obj->memobj, 0, PAGE_SHIFT);
if (error) {
if (!(prot & PROT_WRITE)) {
(void)set_host_vma(addr, len, PROT_READ|PROT_WRITE);
@@ -6457,7 +6459,8 @@ SYSCALL_DECLARE(mremap)
}
error = add_process_memory_range(thread->vm, newstart, newend, -1,
range->flag, range->memobj,
range->objoff + (oldstart - range->start));
range->objoff + (oldstart - range->start),
range->pgshift);
if (error) {
ekprintf("sys_mremap(%#lx,%#lx,%#lx,%#x,%#lx):"
"add failed. %d\n",