Re: [PATCH] Convert pgtable cache to slab

2005-02-15 Thread David Mosberger
On Tue, 15 Feb 2005 06:02:13 -0600, Robin Holt [EMAIL PROTECTED] said: Robin For the 4-level case with 64k pages, what about just using Robin 16k page tables? That leaves us with 60 bits of addressable Robin space which is fairly close to the full space. You're kidding, right? If

RE: [PATCH] Convert pgtable cache to slab

2005-02-15 Thread Luck, Tony
Robin For the 4-level case with 64k pages, what about just using Robin 16k page tables? That leaves us with 60 bits of addressable Robin space which is fairly close to the full space. David You're kidding, right? If getting fairly close to 64 bits was good David enough, there would be no point

Re: [PATCH] Convert pgtable cache to slab

2005-02-15 Thread Robin Holt
On Tue, Feb 15, 2005 at 12:03:22PM -0800, David Mosberger wrote: On Tue, 15 Feb 2005 13:59:45 -0600, Robin Holt [EMAIL PROTECTED] said: I certainly don't want to switch my machines to 4-levels. There is zero need for that on the machines I use, so why pay the overhead of an extra

Re: [PATCH] Convert pgtable cache to slab

2005-02-14 Thread Robin Holt
On Fri, Feb 11, 2005 at 01:33:51PM -0600, Robin Holt wrote: On Fri, Feb 11, 2005 at 10:51:12AM -0800, Luck, Tony wrote: ... Making the slab node aware is probably the right thing to do, but making quicklists node aware is less invasive. Does anybody have a preference? I sort of like the

Re: [PATCH] Convert pgtable cache to slab

2005-02-11 Thread Robin Holt
On Thu, Feb 10, 2005 at 12:38:06PM -0800, Luck, Tony wrote: Can pgtable_cache_init() be __init? I have that changed in my work area now. Do you have some before/after numbers from lmbench fork overhead (I wouldn't expect much impact from this, but it would be nice to make sure). I am

RE: [PATCH] Convert pgtable cache to slab

2005-02-11 Thread Luck, Tony
Do you have some before/after numbers from lmbench fork overhead (I wouldn't expect much impact from this, but it would be nice to make sure). I am running lmbench even as we speak. Is there a way to run lmbench and only get the fork overhead information? You can run the lat_proc binary with

RE: [PATCH] Convert pgtable cache to slab

2005-02-10 Thread Luck, Tony
Can pgtable_cache_init() be __init? Do you have some before/after numbers from lmbench fork overhead (I wouldn't expect much impact from this, but it would be nice to make sure). -Tony - To unsubscribe from this list: send the line unsubscribe linux-ia64 in the body of a message to [EMAIL