Special system calls, or requests to the UNIX kernel, allocate and free the memory and set permissions; common read and write operations put and get data from the region.
用特殊的系统调用(即对UNIX内核的请求)分配和释放内存并设置权限；通过一般的读写操作读写内存段中的数据。
The key to this optimization is that by delaying the allocation of physical blocks until they need to be written to the disk, more blocks are present to allocate and write in contiguous blocks.
这种优化的关键是延迟物理块的分配，直到需要在磁盘上写这些物理块时才对其进行分配并写到相邻的块。
When 2.4.6 gets to the point where it can't allocate any more VM, you obviously won't be unable to write any new data to your TMPFS filesystem.
如果2.4.6内核到了无法分配更多VM的程度，您显然不愿意不能向tmpfs文件系统写任何新数据。
When it comes time to write the data to disk, XFS can now allocate free space intelligently, in a way that optimizes filesystem performance.
到了要将数据写到磁盘的时候，XFS能够以这种优化文件系统性能的方式，智能地分配空闲空间。
Allocate a certain amount of time in your week and don't feel you have to write every day.
在你分配一个星期一定时间，不觉得你每天都写。
When we dynamically allocate an array, we often do so because we don't know the size of the array at compile time. We might write code such as.
之所以要动态分配数组，往往是由于编译时并不知道数组的长度。我们可以编写如下代码。
Using the banker 's algorithm, write and debug a simple dynamic simulation program to allocate resources.
使用银行家算法，编写和调试一个系统动态分配资源的简单模拟程序。
To do this, the filing system must first allocate a sufficient number of data blocks on the disk and then write the data to those blocks.
要做到这个，文件归档系统首先必须在硬盘上分配一个足够大小的数据块，然后再把数据写入到那些数据块中。
To do this, the filing system must first allocate a sufficient number of data blocks on the disk and then write the data to those blocks.
要做到这个，文件归档系统首先必须在硬盘上分配一个足够大小的数据块，然后再把数据写入到那些数据块中。
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