Re: mmap vs. O_DIRECT

From: Avi Kivity
Date: Thu Nov 11 2004 - 13:58:02 EST


Robert Love wrote:

The closest you can come to normal I/O without the page cache is by
doing posix_fadvise() to prune your cache pages after you touch them.


Or you can use aio with O_DIRECT.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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