Re: 10.6.2 issues with F_NOCACHE?
Re: 10.6.2 issues with F_NOCACHE?
- Subject: Re: 10.6.2 issues with F_NOCACHE?
- From: Jonas Maebe <email@hidden>
- Date: Thu, 4 Feb 2010 17:58:25 +0100
On 04 Feb 2010, at 17:41, Jens Alfke wrote:
> Couldn't one mmap() only a piece of the file at a time? I.e. mmap the first 10MB, then unmap it and map the next 10MB, etc.
The buffer cache would probably keep the memory that you munmap still around (if you touched it prior to munmapping). I think that's what Godfrey meant with "it will map the entire file into memory at some stage".
Jonas _______________________________________________
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