[lkml]   [2001]   [Apr]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Subtle MM bug
Followup to:  <Pine.LNX.4.31.0101181230020.31432-100000@localhost.localdomain>
By author: Rik van Riel <>
In newsgroup:
> Suppose you have 8 high-priority tasks waiting on kswapd
> and one lower-priority (but still higher than kswapd)
> process running and preventing kswapd from doing its work.
> Oh .. and also preventing the higher-priority tasks from
> being woken up and continuing...

Classic priority inversion. In this particular case it seems like it
should be unusually simple to apply priority inheritance, though (the
general case is complicated by the fact that the dependency matrix
usually isn't readily available.)

<> at work, <> in private!
"Unix gives you enough rope to shoot yourself in the foot."
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 13:26    [W:0.029 / U:8.360 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site