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1·Jeff's allocator revolves around object caching.

Jeff的分配器是围绕对象缓存进行的。

2·The allocator can't coalesce free space into larger blocks.

分配程序不能将空闲空间拼合为更大的内存块。

3·A good memory allocator needs to balance a number of goals.

一个好内存分配器需要均衡多个目标。

4·Linux provides abstractions over 4kb buffers, such as the slab allocator.

Linux提供了对4 K b缓冲区的抽象，例如slab分配器。

5·Individual inode cache objects are allocated from the inode_cache slab allocator.

从inode_cache slab分配器分配单个inode缓存对象。

6·Initializing the slab allocator and creating slab caches for VFS, buffer cache, etc.

初始化slab分配器并为VFS、缓冲区高速缓存等创建slab高速缓存。

7·At present, the maximum pool size per process for this allocator is limited to 512mb.

目前，对于这个分配器，每个进程的最大池大小限制为512 MB。

8·A final optimization-again, contiguous block related-is the block allocator for ext4.

这是最后一个与相邻块相关的优化，即针对ext4的块分配器。

9·And it is difficult for the allocator to make more informed guesses about this matter.

对于分配器来说对这样的事情很难做出更明智的猜测。

10·However, doing so can impose significant costs; in fact the cost would be unacceptable in this allocator.

尽管如此，这么做可能导致巨大的开销；事实上在该分配器中这个开销是无法接受的。