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On Thu, 17 Jan 2002, Christoph Rohland wrote: > On Wed, 16 Jan 2002, Andrea Arcangeli wrote: > > They were running out of pagetables, mapping 1G per-task (shm for > > example) will overflow the lowmem zone with PAE with some houndred > > tasks in the system. They were pointing the finger at the VM but the > > VM was just doing the very right thing to do. > > This lets me think about putting the swap vector of shmem into highmem > also. These can get big on highend servers and exactly these servers > tend to use a lot of shared mem. Yes, good idea. But people should realize that moving page tables and other such structures into not-always-mapped highmem will make them harder to access with kernel debuggers - I think those will want some changes. Hugh - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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