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SubjectRe: 2.4.20, .text.lock.swap cpu usage? (ibm x440)
Andrew Morton wrote:
> Chris Wood wrote:
>
>>..
>>The server ran fine for 3 days, so it took a bit to get this info.
>
>
> Is appreciated, thanks.
>
>
>>Is there a list of which patches I can apply if I don't want to apply
>>the entire 2.4.20aa1? I'm nervous about breaking other things, but may
>>give it a try anyway.
>
>
> http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.20aa1/05_vm_16_active_free_zone_bhs-1
> http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.20aa1/10_inode-highmem-2
>
> The former is the most important and, alas, has dependencies on
> earlier patches.
>
> hm, OK. I've pulled all Andrea's VM changes and the inode-highmem fix
> into a standalone diff. I'll beat on that a bit tonight before unleashing
> it.
>

I tried to apply 2.4.20aa1 to my /usr/src/linux and then compile it, but
it failed to compile. I do have the IBM x440 (NUMA) patches applied to
this tree, I don't know if that caused any problems but I didn't see any
when I applied the patch. I'll attach a snip at the end of this email
just in case it may point to something (there was more than this).

>
>>Thanks for the help!
>>
>>Here is a /proc/meminfo when it is running fine:
>
>
> These numbers are a little odd. You seem to have only lost 200M of
> lowmem to buffer_heads. Bill, what's your take on this?
>
> Maybe we're looking at the wrong thing. Are any of your applications
> using mlock(), mlockall(), etc?

I'm not sure, other than our services our main programs are in Cobol
(iCobol and AcuCobol). I could ask the vendors if that would help.


------- sorry if this is an ugly paste -------

/usr/src/linux-2.4.20/include/asm/pgalloc.h: In function `get_pgd_slow':
/usr/src/linux-2.4.20/include/asm/pgalloc.h:49: `PAGE_OFFSET_RAW'
undeclared (fi
rst use in this function)
/usr/src/linux-2.4.20/include/asm/pgalloc.h:54: warning: implicit
declaration of
function `set_64bit'
/usr/src/linux-2.4.20/include/asm/pgalloc.h: In function `free_pgd_slow':
/usr/src/linux-2.4.20/include/asm/pgalloc.h:110: `PAGE_OFFSET_RAW'
undeclared (f
irst use in this function)
In file included from /usr/src/linux-2.4.20/include/linux/blkdev.h:11,
from /usr/src/linux-2.4.20/include/linux/blk.h:4,
from init/main.c:25:
/usr/src/linux-2.4.20/include/asm/io.h: In function `virt_to_phys':
/usr/src/linux-2.4.20/include/asm/io.h:78: `PAGE_OFFSET_RAW' undeclared
(first u
se in this function)
/usr/src/linux-2.4.20/include/asm/io.h:79: warning: control reaches end
of non-v
oid function
/usr/src/linux-2.4.20/include/asm/io.h: In function `phys_to_virt':
/usr/src/linux-2.4.20/include/asm/io.h:96: `PAGE_OFFSET_RAW' undeclared
(first u
se in this function)
/usr/src/linux-2.4.20/include/asm/io.h:97: warning: control reaches end
of non-v
oid function
/usr/src/linux-2.4.20/include/asm/io.h: In function `isa_check_signature':
/usr/src/linux-2.4.20/include/asm/io.h:280: `PAGE_OFFSET_RAW' undeclared
(first
use in this function)
init/main.c: In function `start_kernel':
init/main.c:381: `PAGE_OFFSET_RAW' undeclared (first use in this function)
make: *** [init/main.o] Error 1
In file included from eni.c:9:
/usr/src/linux-2.4.20/include/linux/mm.h: In function `pmd_alloc':
/usr/src/linux-2.4.20/include/linux/mm.h:521: `PAGE_OFFSET_RAW'
undeclared (firs
t use in this function)
/usr/src/linux-2.4.20/include/linux/mm.h:521: (Each undeclared
identifier is rep
orted only once
/usr/src/linux-2.4.20/include/linux/mm.h:521: for each function it
appears in.)
/usr/src/linux-2.4.20/include/linux/mm.h:522: warning: control reaches
end of no
n-void function
In file included from /usr/src/linux-2.4.20/include/linux/highmem.h:5,
from /usr/src/linux-2.4.20/include/linux/vmalloc.h:8,
from /usr/src/linux-2.4.20/include/asm/io.h:47,
from /usr/src/linux-2.4.20/include/asm/pci.h:35,
from /usr/src/linux-2.4.20/include/linux/pci.h:622,
from eni.c:10:
/usr/src/linux-2.4.20/include/asm/pgalloc.h: In function `get_pgd_slow':
/usr/src/linux-2.4.20/include/asm/pgalloc.h:49: `PAGE_OFFSET_RAW'
undeclared (fi
rst use in this function)
/usr/src/linux-2.4.20/include/asm/pgalloc.h:54: warning: implicit
declaration of
function `set_64bit'
/usr/src/linux-2.4.20/include/asm/pgalloc.h: In function `free_pgd_slow':
/usr/src/linux-2.4.20/include/asm/pgalloc.h:110: `PAGE_OFFSET_RAW'
undeclared (f
irst use in this function)
In file included from /usr/src/linux-2.4.20/include/asm/pci.h:35,
from /usr/src/linux-2.4.20/include/linux/pci.h:622,
from eni.c:10:
/usr/src/linux-2.4.20/include/asm/io.h: In function `virt_to_phys':
/usr/src/linux-2.4.20/include/asm/io.h:78: `PAGE_OFFSET_RAW' undeclared
(first u
se in this function)
/usr/src/linux-2.4.20/include/asm/io.h:79: warning: control reaches end
of non-v
oid function
/usr/src/linux-2.4.20/include/asm/io.h: In function `phys_to_virt':
/usr/src/linux-2.4.20/include/asm/io.h:96: `PAGE_OFFSET_RAW' undeclared
(first u
se in this function)
/usr/src/linux-2.4.20/include/asm/io.h:97: warning: control reaches end
of non-v
oid function
/usr/src/linux-2.4.20/include/asm/io.h: In function `isa_check_signature':
/usr/src/linux-2.4.20/include/asm/io.h:280: `PAGE_OFFSET_RAW' undeclared
(first
use in this function)
make[2]: *** [eni.o] Error 1
make[1]: *** [_modsubdir_atm] Error 2
make: *** [_mod_drivers] Error 2



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