Re: Have the 2.4 kernel memory management problems on large machines been fixed?
Martin J. Bligh (Martin.Bligh@us.ibm.com)
Wed, 22 May 2002 14:18:54 -0700
>> The solution really is a "don't do it then" kind of thing. If you have
>> 5000 processes that all want to map a big shared memory area, and you
>> don't want to upgrade your CPU's, it's a _whole_ lot easier to just have a
>> magic "map_large_page()" system call, and start using the 2MB page support
>> of the x86.
> map_large_page() sounds decent, though I don't really know how easy
> it'll be to get apps to cooperate. I suspect it's easier when the
> answer is "the app crashed" as opposed to "the kernel crashed".
If we could get the apps (well, Oracle) to co-operate, we could just use
clone ;-) Having this transparent for shmem segments would be really nice.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to email@example.com
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/