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

Ingo Molnar
2000-09-28T11:31:40Z

On Thu, 28 Sep 2000, Rik van Riel wrote:

> The OS has no business knowing what's inside that SHM page.

exactly.

> IF the shm contains I/O cache, maybe you're right. However,
> until you know that this is the case, optimising for that
> situation just doesn't make any sense.

if the shm contains raw I/O data, then thats flawed application design -
an mmap()-ed file should be used instead. Shm is equivalent to shared
anonymous pages.

Ingo