Linux driver编写思考
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相关文档：
sys_execve
| - do_execve
|
| - search_binary_handler
|- linux_binfmt= elf_format
|- elf_format-> load_elf_binary
| -&nbs ......
转来的，没事可以看看
bin = BINaries
/dev = DEVices
/etc = ETCetera
/lib = LIBrary
/proc = PROCesses
/sbin = Superuser BINaries
/tmp = TeMPorary
/usr = Unix Shared Resources
/var = VARiable ?
FIFO = First In, First Out
GRUB = GRand Unified Bootloader
IFS = Internal Field Seperators
LILO ......
九：几点补充：
1: Slab中使用的页面都会加上“PG_slab”标志，以跟一般的页面区别。另外，在释放内存的时候，经常需要用到从页面到slab的对应转换关系。那是怎样标识的呢？
关于标志：
注意有以下代码：
static void *kmem_getpages(kmem_cache_t *cachep, int flags, int nodeid)
{
&n ......
/*
kmalloc can apply 128KB memory only. This func support any continous memory allocate more than 2MB.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
#define KMEM_PAGES &nb ......
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一个
Linux
发行版，体积很小，用处反而很大。此话当真？
一般而言，老式计算机内存都不大， ......
