Re: slow OOM killing with 2.6.9?

[Chris Friesen <cfriesen@nortelnetworks.com>]

Chris Ross wrote:
> 
> Chris Friesen escreveu:
> 
>> I've got a ppc box with 2GB of ram, running 2.6.9.
>>
>> If I run a few instances of memory chewing programs, eventually the 
>> OOM-killer kicks in.  At that point, the machine locks up for about 10 
>> seconds while deciding what to kill.
> 
> 
> OOM killing is known to be broken in 2.6.9, specifically it kills things 
> even when the machine isn't out of memeory and/or kills the "wrong" 
> things when it is. See threads assim for more details.
> 
> The OOM Killer is working properly again in 2.6.10-rc2-mm4. Could you 
> try that kernel and report whether it fixed your problems too?

Hmm...downloaded 2.6.9, patched to 2.6.10-rc2, patched to 2.6.10-rc2-mm4.  Tried 
building and got the following error:

[cfriesen@hsdbsk204-83-218-112 linux-2.6.10-rc2-mm4]$ make
   CHK     include/linux/version.h
make[1]: `arch/ppc/kernel/asm-offsets.s' is up to date.
   CHK     include/linux/compile.h
   CHK     usr/initramfs_list
   GEN     .version
   CHK     include/linux/compile.h
   UPD     include/linux/compile.h
   CC      init/version.o
   LD      init/built-in.o
   LD      .tmp_vmlinux1
arch/ppc/mm/built-in.o(.init.text+0x5f4): In function `paging_init':
: undefined reference to `pgd_offset_is_obsolete'
make: *** [.tmp_vmlinux1] Error 1

Any ideas?

Chris