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🆕 初始化内存池组

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This commit is contained in:
fslongjin
2022-02-25 12:15:09 +08:00
parent dc3aa2ae8a
commit 8e1a0c9a4b
5 changed files with 155 additions and 40 deletions
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10
kernel/mm/mm.h
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@ -30,7 +30,7 @@
// 虚拟地址与物理地址转换
#define virt_2_phys(addr) ((unsigned long)(addr)-PAGE_OFFSET)
#define phys_2_virt(addr) ((unsigned long *)((unsigned long)(addr) + PAGE_OFFSET))
// 获取对应的页结构体
#define Virt_To_2M_Page(kaddr) (memory_management_struct.pages_struct + (virt_2_phys(kaddr) >> PAGE_2M_SHIFT))
#define Phy_to_2M_Page(kaddr) (memory_management_struct.pages_struct + ((unsigned long)(kaddr) >> PAGE_2M_SHIFT))
@ -219,7 +219,13 @@ struct Page *alloc_pages(unsigned int zone_select, int num, ul flags);
*/
unsigned long page_clean(struct Page *page);
/**
* @brief 释放连续number个内存页
*
* @param page 第一个要被释放的页面的结构体
* @param number 要释放的内存页数量 number<64
*/
void free_pages(struct Page *page, int number);
/**
* @brief 内存页表结构体