Messages in this thread | | | Date | Mon, 8 Jan 2001 16:00:45 -0200 (BRDT) | From | Rik van Riel <> | Subject | Re: VM subsystem bug in 2.4.0 ? |
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On Mon, 8 Jan 2001, Sergey E. Volkov wrote:
> I have a problem with 2.4.0 > > I'm testing Informix IIF-2000 database server running on dual > Intel Pentium II - 233. When I run 'make -j30 bzImage' in the > kernel source, my Linux box hangs without any messages.
> Informix allocate about to 50% of memory as LOCKED shared memory > segments. I'm thinking the reason in this. Kernel wants, but > can't to swap out locked shm's segments.
You are right. I have seen this bug before with the kernel moving unswappable pages from the active list to the inactive_dirty list and back.
We need a check in deactivate_page() to prevent the kernel from moving pages from locked shared memory segments to the inactive_dirty list.
Christoph? Linus?
regards,
Rik -- Virtual memory is like a game you can't win; However, without VM there's truly nothing to lose...
http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com.br/
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