Messages in this thread | | | Date | Sun, 14 Mar 1999 01:27:52 +0100 (CET) | From | Rik van Riel <> | Subject | Re: vfork: out of memory, when there's plenty of swap free |
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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/ | +-------------------------------------------------------------------+
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