{"id":40828,"date":"2025-05-30T11:16:11","date_gmt":"2025-05-30T03:16:11","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/40828.html"},"modified":"2025-05-30T11:16:11","modified_gmt":"2025-05-30T03:16:11","slug":"linux%e8%bf%9b%e7%a8%8b%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/40828.html","title":{"rendered":"Linux\u8fdb\u7a0b\u6982\u5ff5"},"content":{"rendered":"

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3.1 \u8fdb\u7a0b\u57fa\u672c\u6982\u5ff5\u4e0e\u64cd\u4f5c<\/h3>\n

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3.2 \u8fdb\u7a0b\u72b6\u6001\u00a0<\/h3>\n

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\"\"<\/p>\n

\u8fdb\u7a0b\u5728\u521d\u59cb\u9636\u6bb5\u5206\u914d\u8d44\u6e90\u521b\u5efa\u53d8\u91cf\u65f6\u4e3a\u521b\u5efa\u72b6\u6001<\/span>，\u8fdb\u7a0b\u521b\u5efa\u597d\u4e86，CPU\u8fd0\u884c\u5f53\u524d\u8fdb\u7a0b\u5c5e\u4e8e\u8fd0\u884c\u72b6\u6001<\/span>；\u800c\u5176\u4ed6\u8fdb\u7a0b\u6392\u961f\u7b49\u5f85\u524d\u9762\u7684\u8fdb\u7a0b\u8fd0\u884c\u5b8c\u6bd5\u53eb\u505a\u5c31\u7eea\u72b6\u6001<\/span>；\u5f53\u6211\u4eec\u9700\u8981\u5bf9\u952e\u76d8\u8f93\u5165\u6570\u636e\u65f6，\u8fdb\u7a0b\u8fdb\u5165\u963b\u585e\u72b6\u6001<\/span>，\u5f53\u8f93\u5165\u5b8c\u6210\u540e\u53c8\u91cd\u65b0\u8fdb\u5165\u5c31\u7eea\u72b6\u6001<\/span>；\u8fd0\u884c\u5b8c\u6210\u540e\u7ed3\u675f\u3002<\/p>\n

\u8fdb\u7a0b\u8fd0\u884c\u65f6task_struct\u8fdb\u5165\u961f\u5217\u4e2d，\u5728\u6392\u961f\u7684\u8fc7\u7a0b\u5904\u4e8e\u5c31\u7eea\u72b6\u6001；\u5f53\u9700\u8981\u8fdb\u7a0b\u8fdb\u5165\u963b\u585e\u72b6\u6001\u65f6，\u4ee3\u7801\u548c\u6570\u636e\u4ecd\u4f1a\u5728\u5185\u5b58\u4e2d\u4fdd\u7559，\u82e5\u6b64\u65f6\u5185\u5b58\u7a7a\u95f4\u4e0d\u8db3\u65f6，\u4f1a\u5c06task_struct\u4e2d\u7684\u4ee3\u7801\u548c\u6570\u636e\u8fc1\u79fb\u5230\u78c1\u76d8\u4e2d，\u8fdb\u5165\u6302\u8d77\u72b6\u6001\u3002\u76f4\u5230\u5b8c\u6210\u8f93\u5165\u540e\u624d\u4f1a\u91cd\u65b0\u8fdb\u5165\u5c31\u7eea\u72b6\u6001\u3002<\/p>\n

\u4e0b\u9762\u662fLinux\u6e90\u7801\u4e2d\u7684\u4e0d\u540c\u72b6\u6001<\/p>\n

static const char <\/span>
\n *<\/span>
\n const <\/span>
\n task_state_array[] = { <\/span> <\/p>\n

"R (running)"<\/span>
\n , <\/span>
\n \/*0 *\/ <\/span> <\/p>\n

"S (sleeping)"<\/span>
\n , <\/span>
\n \/*1 *\/ <\/span> <\/p>\n

"D (disk sleep)"<\/span>
\n , <\/span>
\n \/*2 *\/ <\/span> <\/p>\n

"T (stopped)"<\/span>
\n , <\/span>
\n \/*4 *\/ <\/span> <\/p>\n

"t (tracing stop)"<\/span>
\n , <\/span>
\n \/*8 *\/ <\/span> <\/p>\n

"X (dead)"<\/span>
\n , <\/span>
\n \/*16 *\/ <\/span> <\/p>\n

"Z (zombie)"<\/span>
\n , <\/span>
\n \/*32 *\/ <\/span> <\/p>\n

};<\/span> <\/p>\n

\u00a0running<\/span> \u5bf9\u5e94\u5c31\u7eea\u72b6\u6001\u8fd0\u884c\u72b6\u6001；sleeping<\/span> \u4e3a\u7761\u7720\u72b6\u6001，\u5bf9\u5e94\u4e8e\u963b\u585e\u72b6\u6001，\u4f8b\u5982\u9700\u8981\u6570\u636e\u8f93\u5165\u7b49，\u6b64\u65f6\u8fdb\u7a0b\u662f\u53ef\u4ee5\u88ab\u5524\u9192\u7684；disk sleep <\/span>\u6df1\u5ea6\u7761\u7720\u72b6\u6001，\u6b64\u65f6\u8fdb\u7a0b\u65e0\u6cd5\u88ab\u5524\u9192，\u6570\u636e\u5b58\u50a8\u5728\u78c1\u76d8\u4e2d；stopped <\/span>\u72b6\u6001，\u6b64\u65f6\u8fdb\u7a0b\u505c\u6b62\u8fd0\u884c，\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u4f1a\u88ab\u4fdd\u5b58\u8d77\u6765，\u9700\u8981\u5916\u90e8\u4fe1\u53f7\u91cd\u65b0\u5f00\u59cb；tracing stop<\/span> \u5f53\u5185\u5b58\u8d44\u6e90\u4e0d\u8db3\u65f6，\u4f1a\u5f3a\u884c\u7ec8\u6b62\u8fdb\u7a0b\u8fd0\u884c\u3002zombie<\/span>\u72b6\u6001，\u4e3a\u50f5\u5c38\u72b6\u6001，\u5f53\u5b50\u8fdb\u7a0b\u7ed3\u675f\u540e，\u7236\u8fdb\u7a0b\u6ca1\u6709\u5bf9\u5b50\u8fdb\u7a0b\u72b6\u6001\u8fdb\u884c\u8bfb\u53d6<\/span>，\u5b50\u8fdb\u7a0b\u8fdb\u5165\u50f5\u5c38\u8fdb\u7a0b，\u7c7b\u4f3c\u4e8e\u8c03\u7528\u4e86\u8d44\u6e90\u786e\u6ca1\u6709\u56de\u6536\u4ea7\u751f\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n

\u4e0e\u50f5\u5c38\u8fdb\u7a0b\u7c7b\u4f3c\u7684\u5b64\u513f\u8fdb\u7a0b<\/span>，\u5b64\u513f\u8fdb\u7a0b\u5c31\u662f\u7236\u8fdb\u7a0b\u5148\u9000\u51fa\u7684\u60c5\u51b5，\u6b64\u65f6\u5b50\u8fdb\u7a0b\u65e0\u6cd5\u88ab\u56de\u6536，\u5c31\u4f1a\u75311\u53f7\u8fdb\u7a0b\u8fdb\u884c\u9886\u517b\u56de\u6536\u3002<\/span><\/p>\n

3.3 \u8fdb\u7a0b\u4f18\u5148\u7ea7\u00a0<\/h3>\n

CPU\u8d44\u6e90\u5206\u914d\u7684\u5148\u540e\u987a\u5e8f，\u5c31\u662f\u8fdb\u7a0b\u7684\u4f18\u5148\u6743\u3002\u4f18\u5148\u6743\u9ad8\u7684\u53ef\u4ee5\u5148\u6267\u884c，\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 ps -l \u7684\u6307\u4ee4\u6765\u67e5\u770b\u7cfb\u7edf\u8fdb\u7a0b，\u5176\u4e2dPRI\u4e3a\u4f18\u5148\u7ea7，NI\u4e3anice\u503c，nice\u503c\u548cPRI\u7684\u548c\u5c31\u662f\u6700\u7ec8\u7684\u4f18\u5148\u7ea7\u5927\u5c0f\u3002\u8fd9\u4e2a\u6570\u8d8a\u5c0f，\u7a0b\u5e8f\u6267\u884c\u7684\u8d8a\u65e9\u3002<\/p>\n

\"\"<\/p>\n

\u00a0nice\u503c\u7684\u53d6\u503c\u8303\u56f4\u5728-19 \u5230 20\u4e4b\u95f4，\u4e00\u517140\u4e2a\u6863\u4f4d\u3002<\/p>\n

\u8fdb\u7a0b\u8fd0\u884c\u6709\u5e76\u53d1\u548c\u5e76\u884c\u4e24\u79cd\u6a21\u5f0f，\u5e76\u53d1\u5c31\u662f\u540c\u65f6\u53d1\u751f，\u901a\u8fc7CPU\u4e0d\u505c\u7684\u5207\u6362\u8fdb\u7a0b\u4f7f\u8fdb\u7a0b\u540c\u65f6\u8fd0\u884c；\u5e76\u884c\u5c31\u662f\u5171\u540c\u8fd0\u884c，\u6709\u4e24\u4e2a\u6216\u4ee5\u4e0a\u7684CPU\u540c\u65f6\u5904\u7406\u3002<\/p>\n

\u5728\u5e76\u53d1\u60c5\u51b5\u4e0b，\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u5bf9\u5e94\u7684\u65f6\u95f4\u7247，\u65f6\u95f4\u7247\u6d88\u8017\u5b8c\u5c31\u4f1a\u5207\u6362\u8fdb\u7a0b，\u800c\u5f53\u524d\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u6570\u636e\u5c31\u4f1a\u6682\u65f6\u4fdd\u5b58（\u62f7\u8d1d）\u5728CPU\u7684\u5bc4\u5b58\u5668\u5f53\u4e2d，\u5f53\u4e0b\u4e00\u6b21\u8fd0\u884c\u5230\u8be5\u8fdb\u7a0b\u65f6\u518d\u62ff\u51fa\u6765\u3002<\/p>\n

3.4 \u8fdb\u7a0b\u8c03\u5ea6<\/h3>\n

\u8fdb\u7a0b\u8c03\u5ea6\u7531\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u548c\u72b6\u6001\u51b3\u5b9a，\u5728Linux\u4e2d\u8fdb\u7a0b\u8c03\u5ea6\u6709\u8fdb\u7a0b\u8c03\u5ea6\u961f\u5217 run_queue \u7ba1\u7406\u4fe1\u606f\u3002\u961f\u5217\u91cc\u5305\u542b\u5404\u4e2a\u8fdb\u7a0btask_struct\u7684\u5730\u5740\u6307\u9488，\u7528\u4e8e\u8bc6\u522b\u8be5\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u4ee5\u53ca\u72b6\u6001\u3002<\/p>\n

run_queue\u4e2d\u7684\u4e09\u4e2a\u53c2\u6570 nr_active ，bitmap\u30105\u3011，queue\u3010140\u3011\u3002nr_active\u662f\u6307\u9488，queue\u961f\u5217\u7528\u6765\u5b58\u50a8\u4e0d\u540c\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u6307\u9488\u5730\u5740，\u6570\u5b57\u4e0b\u6807\u5c31\u5bf9\u5e94\u4e86\u5b83\u7684\u4f18\u5148\u7ea7\u7cfb\u6570；\u800cbitmap\u4f4d\u56fe\u5c31\u662f\u8bb0\u5f55\u4e0d\u540c\u7684\u4f18\u5148\u7ea7\u4e0b\u662f\u5426\u5b58\u5728\u6709\u8fdb\u7a0b\u3002\u8fd9\u6837\u5c31\u5bf9\u8fdb\u7a0b\u8fdb\u884c\u4e86\u6392\u961f\u64cd\u4f5c，\u6b64\u65f6\u6211\u4eec\u518d\u6765\u4e00\u5957\u8fd9\u6837\u7684\u7ed3\u6784，\u5c06\u8fd0\u884c\u5b8c\u7684\u8fdb\u7a0b\u653e\u5165\u7b2c\u4e8c\u4e2a\u7ed3\u6784\u4e2d\u8fdb\u884c\u6392\u961f\u64cd\u4f5c，\u5f53\u7b2c\u4e00\u4e2a\u7ed3\u6784\u4e2d\u7684\u8fdb\u7a0b\u5168\u90e8\u8fd0\u884c\u5b8c\u6210\u540e，\u5c06\u4e24\u8005\u7684nr_active\u6307\u9488\u5185\u5bb9\u4e92\u6362，\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\u6392\u961f\u3002<\/p>\n

\"\"<\/p>\n

\u56db. \u73af\u5883\u53d8\u91cf<\/h2>\n

\u73af\u5883\u53d8\u91cf\u662f\u64cd\u4f5c\u7cfb\u7edf\u7279\u5b9a\u7528\u9014\u7684\u53d8\u91cf，\u8fd9\u4e9b\u4fe1\u606f\u53ef\u4ee5\u88ab\u64cd\u4f5c\u7cfb\u7edf\u3001\u5e94\u7528\u7a0b\u5e8f\u6216\u7528\u6237\u8fdb\u7a0b\u8bbf\u95ee\u548c\u4f7f\u7528，\u4ee5\u5f71\u54cd\u8f6f\u4ef6\u7684\u8fd0\u884c\u884c\u4e3a\u3001\u8def\u5f84\u67e5\u627e\u3002\u5e38\u89c1\u7684\u73af\u5883\u53d8\u91cf\u6709 PATH \u7cfb\u7edf\u8fd0\u884c\u65f6\u67e5\u627e\u53ef\u6267\u884c\u6587\u4ef6\u7684\u8def\u5f84<\/span>；HOME \u5f53\u524d\u7528\u6237\u7684\u4e3b\u76ee\u5f55<\/span>，\u5e38\u7528\u4e8e\u9ed8\u8ba4\u8def\u5f84；USER \u5f53\u524d\u64cd\u4f5c\u4eba<\/span>；PWD \u5f53\u524d\u76ee\u5f55<\/span>\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 echo + $\u53d8\u91cf\u540d<\/span> \u6765\u67e5\u8be2\u5230\u73af\u5883\u53d8\u91cf\u5728\u54ea\u4e2a\u76ee\u5f55\u4e0b\u3002<\/p>\n

\"\"<\/p>\n

env <\/span>\u53ef\u4ee5\u67e5\u8be2\u5230\u5f53\u524d\u7cfb\u7edf\u4e2d\u6240\u6709\u7684\u73af\u5883\u53d8\u91cf\u3002<\/p>\n

\"\"<\/p>\n

set \u548c unse<\/span>t \u662f\u7528\u4e8e\u8bbe\u7f6e\u548c\u6e05\u9664\u73af\u5883\u53d8\u91cf\u7684\u64cd\u4f5c ，unset \u5220\u9664\u540e\u7684\u73af\u5883\u53d8\u91cf\u91cd\u542f\u540e\u4ecd\u4f1a\u5b58\u5728\u3002<\/p>\n

\u73af\u5883\u53d8\u91cf\u662f\u7528\u4e8e\u63cf\u8ff0\u7cfb\u7edf\u73af\u5883\u7684，\u800c\u73af\u5883\u8868\u662f\u5c06\u73af\u5883\u7ec4\u7ec7\u8d77\u6765\u7684\u6570\u636e\u7ed3\u6784\u3002\u73af\u5883\u8868\u4e2d\u5305\u542b\u4e86\u5404\u4e2a\u73af\u5883\u53d8\u91cf\u7684\u952e\u503c，\u901a\u8fc7\u952e\u503c\u67e5\u627e\u5c31\u80fd\u627e\u5230\u8be5\u73af\u5883\u53d8\u91cf\u3002\u73af\u5883\u8868\u4f1a\u4ece\u7236\u8fdb\u7a0b\u4e0a\u7ee7\u627f\u5230\u5b50\u8fdb\u7a0b\u4e0a\u3002<\/p>\n

\u4e94. \u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4（\u865a\u62df\u5730\u5740\u7a7a\u95f4）<\/h2>\n

\u00a0\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0b\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4\u662f\u5982\u4f55\u5206\u5e03\u7684\u3002<\/p>\n

\"\"<\/p>\n

\u6211\u4eec\u901a\u8fc7\u4ee3\u7801\u6765\u67e5\u770b\u4e00\u4e0b\u5730\u5740\u4fe1\u606f\u3002<\/p>\n

#include <stdio.h>
\n#include <unistd.h>
\n#include <stdlib.h>
\nint g_unval;
\nint g_val = 100;
\nint main(int argc, char* argv[], char* env[])
\n{
\nconst char* str = "helloworld";
\nprintf("code addr: %p\\\\n", main);
\nprintf("init global addr: %p\\\\n", &g_val);
\nprintf("uninit global addr: %p\\\\n", &g_unval);
\nstatic int test = 10;
\nchar* heap_mem = (char*)malloc(10);
\nchar* heap_mem1 = (char*)malloc(10);
\nchar* heap_mem2 = (char*)malloc(10);
\nchar* heap_mem3 = (char*)malloc(10);
\nprintf("heap addr: %p\\\\n", heap_mem); \/\/heap_mem(0), &heap_mem(1)
\nprintf("heap addr: %p\\\\n", heap_mem1); \/\/heap_mem(0), &heap_mem(1)
\n printf("heap addr: %p\\\\n", heap_mem2); \/\/heap_mem(0), &heap_mem(1)
\nprintf("heap addr: %p\\\\n", heap_mem3); \/\/heap_mem(0), &heap_mem(1)
\n printf("test static addr: %p\\\\n", &test); \/\/heap_mem(0), &heap_mem(1)
\nprintf("stack addr: %p\\\\n", &heap_mem); \/\/heap_mem(0), &heap_mem(1)
\nprintf("stack addr: %p\\\\n", &heap_mem1); \/\/heap_mem(0), &heap_mem(1)
\nprintf("stack addr: %p\\\\n", &heap_mem2); \/\/heap_mem(0), &heap_mem(1)
\nprintf("stack addr: %p\\\\n", &heap_mem3); \/\/heap_mem(0), &heap_mem(1)<\/p>\n

printf("read only string addr: %p\\\\n", str);
\nfor (int i = 0; i < argc; i++)
\n{
\nprintf("argv[%d]: %p\\\\n", i, argv[i]);
\n}
\nfor (int i = 0; env[i]; i++)
\n{
\n printf("env[%d]: %p\\\\n", i, env[i]);
\n}
\nreturn 0;
\n} <\/p>\n

\u4e0b\u9762\u662f\u8fd0\u884c\u7ed3\u679c：<\/p>\n

\"\"\u00a0<\/p>\n

\u00a0\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u4ee3\u7801\u7ed3\u679c\u6765\u53cd\u63a8\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4\u7684\u6b63\u786e\u6027\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u89c2\u5bdf\u51fa\u53d8\u91cf\u5730\u5740 \u5df2\u521d\u59cb\u5316\u53d8\u91cf < \u672a\u521d\u59cb\u5316\u53d8\u91cf < \u5806 < \u6808 < \u73af\u5883\u53d8\u91cf<\/span>\u00a0，\u5176\u4e2d\u5728\u5806\u4e0e\u6808\u4e4b\u95f4\u5730\u5740\u9ad8\u5ea6\u76f8\u5dee\u8f83\u5927，\u8fd9\u6bb5\u7a7a\u95f4\u5c31\u662f\u6211\u4eec\u7684\u5171\u4eab\u533a\u3002\u56e0\u6b64\u6211\u4eec\u7684\u5806\u548c\u6808\u662f\u76f8\u5bf9\u800c\u751f<\/span>\u7684，\u5806\u4ece\u4f4e\u5730\u5740\u5411\u9ad8\u5730\u5740\u7d2f\u52a0，\u6808\u4ece\u9ad8\u5730\u5740\u5411\u4f4e\u5730\u5740\u6302\u8d77\u3002<\/p>\n

\u4e0b\u9762\u6211\u4eec\u518d\u6765\u770b\u4e00\u7ec4\u4ee3\u7801<\/p>\n

#include <stdio.h>
\n#include <unistd.h>
\n#include <stdlib.h>
\nint g_val = 0;
\nint main()
\n{
\npid_t id = fork();
\nif(id < 0){
\nperror("fork");
\nreturn 0;
\n}
\nelse if(id == 0){ \/\/child,\u2f26\u8fdb\u7a0b\u80af\u5b9a\u5148\u8dd1\u5b8c，\u4e5f\u5c31\u662f\u2f26\u8fdb\u7a0b\u5148\u4fee\u6539，\u5b8c\u6210\u4e4b\u540e，\u2f57\u8fdb\u7a0b\u518d
\n\u8bfb\u53d6
\ng_val=100;
\nprintf("child[%d]: %d : %p\\\\n", getpid(), g_val, &g_val);
\n}else{ \/\/parent
\nsleep(3);
\nprintf("parent[%d]: %d : %p\\\\n", getpid(), g_val, &g_val);
\n}
\nsleep(1);
\nreturn 0;
\n} <\/p>\n

\"\"<\/p>\n

\u00a0\u6211\u4eec\u53d1\u73b0\u7236\u5b50\u8fdb\u7a0b\u8f93\u51fa\u7684\u5730\u5740\u662f\u4e00\u81f4\u7684，\u4f46\u662f\u8f93\u51fa\u7684\u53d8\u91cf\u786e\u4e0d\u4e00\u6837，\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462？<\/p>\n

\u8bf4\u660e\u8f93\u51fa\u7684\u53d8\u91cf\u5e76\u4e0d\u662f\u540c\u4e00\u4e2a\u53d8\u91cf，\u5b83\u4eec\u5728\u7269\u7406\u7a7a\u95f4\u4e0a\u7684\u5730\u5740\u4e0d\u4e00\u6837\u3002\u56e0\u6b64，\u5e76\u4e0d\u5b58\u5728\u6240\u8c13\u7684\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4，\u5728Linux\u4e0b，\u88ab\u79f0\u4e3a\u865a\u62df\u5730\u5740\u7a7a\u95f4\u3002<\/p>\n

\u5728\u865a\u62df\u5730\u5740\u7a7a\u95f4\u4e0a，\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u88ab\u8bb8\u8bfa\u6709\u53ef\u4ee5\u4f7f\u7528\u5185\u5b58\u5927\u5c0f\u7684\u7a7a\u95f4，\u4f46\u5b9e\u9645\u4e0a\u5e76\u4e0d\u4f1a\u7528\u5230\u8fd9\u4e48\u591a\u7684\u7a7a\u95f4\u3002\u4e0d\u540c\u8fdb\u7a0b\u4e4b\u95f4\u5373\u4f7f\u865a\u62df\u5730\u5740\u540d\u4e00\u81f4，\u4f46\u5b83\u4eec\u5728\u5e95\u5c42\u7684\u7269\u7406\u5730\u5740\u5e76\u4e0d\u662f\u540c\u4e00\u5757<\/span>，\u8fd9\u6837\u5373\u4f7f\u8fdb\u7a0b\u4e0d\u540c，\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5404\u4e2a\u8fdb\u7a0b\u4f7f\u7528\u81ea\u5df1\u7684\u5730\u5740\u7a7a\u95f4\u3002\u5728task_struct\u4e2d\u5b58\u5728\u4e00\u4e2a\u6210\u5458\u53d8\u91cf mm_struct \u7684\u5730\u5740\u6307\u9488，mm_struct \u4e2d\u6709\u7c7b\u4f3cstart end\u4e24\u4e2a\u6307\u9488\u6765\u4e3a\u865a\u62df\u5730\u5740\u5212\u5206\u5b9e\u9645\u7684\u7269\u7406\u7a7a\u95f4\u3002\u518d\u901a\u8fc7\u4e00\u5f20\u9875\u8868\u5c06\u5b9e\u9645\u5730\u5740\u4e0e\u865a\u62df\u5730\u5740\u505a\u952e\u503c\u5bf9\u5e94<\/span>，\u8fd9\u624d\u662f\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u9645\u7684\u5185\u5b58\u5206\u914d\u3002<\/p>\n

\"\"<\/p>\n

\n

\u5e0c\u671b\u5404\u4f4d\u5927\u4f6c\u591a\u591a\u652f\u6301！！！<\/p>\n","protected":false},"excerpt":{"rendered":"

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