unmap_region

函数名称：unmap_region

函数原型：static void unmap_region(struct mm_struct *mm, struct vm_area_struct *vma, struct vm_area_struct *prev, unsigned long start, unsigned long end)

返回类型：void

参数：

类型	参数	名称
struct mm_struct *	mm
struct vm_area_struct *	vma
struct vm_area_struct *	prev
unsigned long	start
unsigned long	end

2587

next等于如果prev则linked list of VM areas per task, sorted by address 否则 list of VMAs

2590

lru_add_drain()

2591

tlb_gather_mmu( & tlb, mm, start, end)

2592

update_hiwater_rss(mm)

2593

map_vmas - unmap a range of memory covered by a list of vma's*@tlb: address of the caller's struct mmu_gather*@vma: the starting vma*@start_addr: virtual address at which to start unmapping*@end_addr: virtual address at which to end unmapping

2594

free_pgtables( & tlb, vma, prev ? The first byte after our end addresswithin vm_mm. : FIRST_USER_ADDRESS, next ? Our start address within vm_mm. : On almost all architectures and configurations, 0 can be used as the* upper ceiling to free_pgtables(): on many architectures it has the same* effect as using TASK_SIZE. However, there is one configuration which)

2596

tlb_finish_mmu( & tlb, start, end)

**调用者**
名称	描述
mmap_region
__do_munmap	Munmap is split into 2 main parts -- this part which finds* what needs doing, and the areas themselves, which do the* work. This now handles partial unmappings.* Jeremy Fitzhardinge

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码