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
--
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