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fix: 解决了page的锁未被初始化的bug

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This commit is contained in:
fslongjin
2022-08-15 12:09:04 +08:00
parent 1dd9195d69
commit 06af77bd79
13 changed files with 33 additions and 26 deletions
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6
kernel/mm/mm.c
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@ -60,7 +60,7 @@ void mm_init()
for (int i = 0; i < count; ++i)
{
io_mfence();
//可用的内存
// 可用的内存
if (mb2_mem_info->type == 1)
mm_Total_Memory += mb2_mem_info->len;
@ -332,7 +332,7 @@ struct Page *alloc_pages(unsigned int zone_select, int num, ul flags)
*(memory_management_struct.bmp + ((x->addr_phys >> PAGE_2M_SHIFT) >> 6)) |= (1UL << (x->addr_phys >> PAGE_2M_SHIFT) % 64);
++(z->count_pages_using);
--(z->count_pages_free);
x->attr = attr;
page_init(x, attr);
}
// 成功分配了页面，返回第一个页面的指针
// kwarn("start page num=%d\n", start_page_num);
@ -589,7 +589,7 @@ uint64_t mm_do_brk(uint64_t old_brk_end_addr, int64_t offset)
{
for (uint64_t i = old_brk_end_addr; i < end_addr; i += PAGE_2M_SIZE)
{
struct vm_area_struct * vma=NULL;
struct vm_area_struct *vma = NULL;
mm_create_vma(current_pcb->mm, i, PAGE_2M_SIZE, VM_USER | VM_ACCESS_FLAGS, NULL, &vma);
mm_map_vma(vma, alloc_pages(ZONE_NORMAL, 1, PAGE_PGT_MAPPED)->addr_phys);
}