Re: large page patch

From: Martin J. Bligh (
Date: Fri Aug 02 2002 - 01:33:26 EST

> DaveM> In my opinion the proposed large-page patch addresses a
> DaveM> relatively pressing need for databases (primarily).
> DaveM> Databases want large pages with IPC_SHM, how can this
> DaveM> special syscal hack address that?
> I believe the interface is OK in that regard. AFAIK, Oracle is happy
> with it.

Is Oracle now the world's only database? I think not.
> DaveM> It's great for experimentation, but give up syscall slots
> DaveM> for this?
> I'm a bit concerned about this, too. My preference would have been to
> use the regular mmap() and shmat() syscalls with some
> augmentation/hint as to what the preferred page size is

I think that's what most users would prefer, and I don't think it
adds a vast amount of kernel complexity. Linus doesn't seem to
be dead set against the shmem modifications at least ... so that's
half way there ;-)

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