前面的一篇文章中简单的描述了一下内存映射的内容，http://blog.csdn.net/codectq/article/details/25658813，这篇文章作为用户把内存规划好之后，在用户空间使用IOCTL对设备进行控制时的常用函数的代码摘录。后续我会把这部分完善起来。
#ifdefCONFIG_MMU
externunsigned long __must_check __copy_f...
分类：
系统相关 时间：
2014-05-23 07:32:35
阅读次数：
424
What Is Your Grade?
Problem Description
“Point, point, life of student!”
This is a ballad（歌谣）well known in colleges, and you must care about your...
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其他好文 时间：
2014-05-23 00:59:22
阅读次数：
375
今天真机调试的时候莫名其妙遇到了这样的一个问题:This product type must be built using a provisioning profile, however no provisioning profile matching both the identity "iPhone Developer" and the bundle identifier.....具体如下图所...
分类：
移动开发 时间：
2014-05-22 11:17:43
阅读次数：
415
There are N children standing in a line. Each child is assigned a rating value.
You are giving candies to these children subjected to the following requirements:
Each child must have at least one candy.
Children with a higher rating get more candies than...
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其他好文 时间：
2014-05-22 11:00:49
阅读次数：
285
Saruman's Army
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 3519
Accepted: 1787
Description
Saruman the White must lead his army along a straight path...
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其他好文 时间：
2014-05-22 10:09:49
阅读次数：
271
In a multicore environment—where system resources must be shared—it is important to control simultaneous accesses to the available resources. To ensure correct system operation, it is necessary to lim...
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其他好文 时间：
2014-05-22 07:18:54
阅读次数：
308
问题
Given a singly linked list L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given {1,2,3,4}, reorde...
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其他好文 时间：
2014-05-22 07:04:46
阅读次数：
298
【题目】
Given a sorted array of integers, find the starting and ending position of a given target value.
Your algorithm's runtime complexity must be in the order of O(log n).
If the target is not found in the array, return [-1, -1].
For example,
Given [5...
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其他好文 时间：
2014-05-22 06:44:39
阅读次数：
265
Piggy-Bank
Problem Description
Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes from Irreversibly Bound M...
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其他好文 时间：
2014-05-21 10:17:35
阅读次数：
289
1.错误描述一个数据较长时间未使用了，最近启动时出现如下错误：SQL>startupOracleinstancestarted.TotalSystemGlobalArea4932501504bytesFixedSize2103096bytesVariableSize889194696bytesDatabaseBuffers4026531840bytesRedoBuffers14671872bytesDatabasemounted.ORA-0109..
分类：
数据库 时间：
2014-05-20 22:13:11
阅读次数：
466
