Re: [patch] vmfixes-2.4.0-test9-B2 - fixing deadlocks

[Andrea Arcangeli]

On Thu, Sep 28, 2000 at 07:08:51AM -0300, Rik van Riel wrote:
> taking care of this itself. But this is not something the OS
> should prescribe to the application.

Agreed.

> (unless the SHM users tell you that this is the normal way
> they use SHM ... but as Christoph just told us, it isn't)

shm is not used as I/O cache from 90% of the apps out there because normal apps
uses the OS cache functionality (90% of those apps doesn't use rawio to share a
black box that looks like a scsi disk via SCSI bus connected to other hosts as
well).

I for sure agree shm swapin/swapout is very important. (we moved shm
swapout/swapin to swap cache with readaround for that reason)

Andrea
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