Re: [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On Fri, 4 Nov 2005, Nick Piggin wrote:
> 
> Looks like ppc64 is getting 64K page support, at which point higher
> order allocations (eg. for stacks) basically disappear don't they?

Yes and no, HOWEVER, nobody sane will ever use 64kB pages on a 
general-purpose machine.

64kB pages are _only_ usable for databases, nothing else.

Why? Do the math. Try to cache the whole kernel source tree in 4kB pages 
vs 64kB pages. See how the memory usage goes up by a factor of _four_.

		Linus
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux