ssmale的专栏

mmap 内核实现--do_mmap_pgoff  http://blog.chinaunix.net/uid-24774106-id-366143.html Linux内核源码阅读之内存映射篇 http://blog.youkuaiyun.com/f413933206/article/details/5701903 进程虚拟地址空间之arch_get_unma

sys_mmap_pgoff SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, unsigned long, prot, unsigned long, flags, unsigned long, fd, unsigned long, pgoff) { struct file * file = NUL

sys_brk SYSCALL_DEFINE1(brk, unsigned long, brk) { unsigned long rlim, retval; unsigned long newbrk, oldbrk; struct mm_struct *mm = current->mm; unsigned long min_brk; down_write(&mm->mmap_

Global kva allocator 数据结构 /*** Global kva allocator ***/ #define VM_LAZY_FREE 0x01 #define VM_LAZY_FREEING 0x02 #define VM_VM_AREA 0x04 struct vmap_area { unsigned long va_start; unsigned lon