lkml.org 
[lkml]   [1999]   [Mar]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: vfork: out of memory, when there's plenty of swap free
On Sat, 13 Mar 1999, Alan Cox wrote:

> > run make -j and watch. Peak swap usage gets to 50Meg or so, then it
> > starts dying with vfork: out of memory. [Can someone reproduce these,
> > please?]
>
> Yes I can reproduce the running out of 8K block problem easily. Its the
> lack of a memory defragmentation goal in the current 2.2 vm

We probably need to reintroduce either a gentle defrag
goal or some defragmentation code in shrink_mmap()...

> > Does it mean we have problems with memory fragmentation? Do this
> > problems need to be solved in 2.2 series?
>
> Yes - its also part of the reason sound seems to skip more (the
> typical successful buffer kmalloc size is smaller) and why some
> people see NFS hangs.

I didn't know the problem was _this_ serious. This needs
to be fixed *now* -- well, maybe tomorrow morning :)

cheers,

Rik -- Open Source: you deserve to be in control of your own data.
+-------------------------------------------------------------------+
| Linux Memory Management site: http://humbolt.geo.uu.nl/Linux-MM/ |
| Nederlandse Linux documentatie: http://www.nl.linux.org/ |
+-------------------------------------------------------------------+


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:50    [W:0.111 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site