[lkml]   [2001]   [Sep]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: pmap revisited
On Tue, 4 Sep 2001, Samium Gromoff wrote:

> Gotta wrong results in my previous perftest... (slightly different
> environments), so these are to be sure that on low VM load there isnt
> any significant difference...

As expected, the current patch only modifies mechanisms and
leaves most policy the same. Under some loads there is a
difference, but under light VM loads the same-policy-more-info
replacement should indeed be pretty similar.

> Bonus: two bugs! :)
> 1. Quintela`s (shmtest of memtest) and pmap{2,3} == 100% instant deadlock
> plain ac12 demonstrates ignorance.

I'll try to reproduce that one when I get back home thursday.

> 2. Swapoff oops 100% - only in pmap3! (okay, swapoff of reiserfs
> to be strict, but i think that doesnt actually matters)
> swapoff oops will be in next mail.

This one is fixed. I'll be sitting inside a big tin can with
wings all day tomorrow, but thursday I'll try to post a new
version, hopefully with both these bugs fixed.

Thanks for testing the patch and pointing out the bugs!


IA64: a worthy successor to i860.

Send all your spam to (spam digging piggy)

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:17    [W:0.041 / U:4.960 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site