Re: vfork: out of memory, when there's plenty of swap free

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 13 Mar 1999 22:58:53 +0000 (GMT)


> 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

> 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.

-
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/