Messages in this thread | | | Date | Tue, 06 Mar 2007 16:44:21 -0500 | From | Rik van Riel <> | Subject | Re: userspace pagecache management tool |
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Andrew Morton wrote: > On Tue, 06 Mar 2007 12:10:49 +0000 > P__draig Brady <P@draigBrady.com> wrote: >> Andrew Morton wrote:
>> If I'm the target >> audience for that API then it's broken as I'd mess it up, >> or would take too long to get it right. >> >> Can't we just fix the posix_fadvise() implementation to >> only evict pages paged in by the current process. > > The kernel doesn't have that information.
It doesn't _keep_ the information. File readahead is done in the process context, so we had it originally.
I agree though that we probably should not bother trying to keep that kind of information :)
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