gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

remove unused function add_process_large_range from source file

Browse Source
This commit is contained in:
Tomoki Shirasawa
2013-06-02 19:38:29 +09:00
parent ec908bd2cb
commit 40ad744947
3 changed files with 0 additions and 106 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
kernel/process.c
View File

@@ -171,72 +171,6 @@ err:
return -ENOMEM;
}
#if 0
int add_process_large_range(struct process *process,
unsigned long start, unsigned long end,
unsigned long flag, unsigned long *phys)
{
struct vm_range *range;
int npages = (end - start) >> PAGE_SHIFT;
int npages_allocated = 0;
void *virt;
if ((start < process->vm->region.user_start)
|| (process->vm->region.user_end < end)) {
kprintf("large range(%#lx - %#lx) is not in user avail(%#lx - %#lx)\n",
start, end, process->vm->region.user_start,
process->vm->region.user_end);
return -EINVAL;
}
range = kmalloc(sizeof(struct vm_range), ap_flag);
if (!range) {
return -ENOMEM;
}
INIT_LIST_HEAD(&range->list);
range->start = start;
range->end = end;
range->flag = flag;
range->phys = 0;
/* Loop through the range, allocate and map blocks of 64 pages */
for (npages_allocated = 0; npages_allocated < npages;
npages_allocated += 64) {
struct vm_range sub_range;
virt = ihk_mc_alloc_pages(64, IHK_MC_AP_NOWAIT);
if (!virt) {
return -ENOMEM;
}
/* Save the first sub region's physical address */
if (!(*phys)) {
*phys = virt_to_phys(virt);
}
sub_range.phys = virt_to_phys(virt);
sub_range.start = start + npages_allocated * PAGE_SIZE;
sub_range.end = sub_range.start + 64 * PAGE_SIZE;
update_process_page_table(process, &sub_range, flag);
dkprintf("subrange 0x%lX - 0x%lX -> 0x%lx - 0x%lX mapped\n",
sub_range.start, sub_range.end,
sub_range.phys, sub_range.phys + 64 * PAGE_SIZE);
memset(virt, 0, 64 * PAGE_SIZE);
}
dkprintf("range: 0x%lX - 0x%lX (%ld)\n",
range->start, range->end, range->end - range->start);
list_add_tail(&range->list, &process->vm->vm_range_list);
return 0;
}
#endif
int add_process_memory_range(struct process *process,
unsigned long start, unsigned long end,
unsigned long phys, unsigned long flag)