Hi KUROSAWA,
I tried to use the controller but having some problems.
- Created class a,
- set guarantee to 50(with parent having 100, i expected class a to get
50% of memory in the system).
- moved my shell to class a.
- Issued a make in the kernel tree.
It consistently fails with
-----------
make: getcwd: : Cannot allocate memory
Makefile:313: /scripts/Kbuild.include: No such file or directory
Makefile:532: /arch/i386/Makefile: No such file or directory
Can't open perl script "/scripts/setlocalversion": No such file or
directory
make: *** No rule to make target `/arch/i386/Makefile'. Stop.
-----------
Note that the compilation succeeds if I move my shell to the default
class.
I got a oops too:
------------------------------
kernel BUG at mm/page_alloc.c:1074!
invalid operand: 0000 [#1]
SMP
Modules linked in:
CPU: 1
EIP: 0060:[<c013768d>] Not tainted VLI
EFLAGS: 00010256 (2.6.15n)
EIP is at __free_pages+0x17/0x42
eax: 00000000 ebx: 00000000 ecx: c17f8b80 edx: c17f8b80
esi: f7c85578 edi: c1931e20 ebp: c1931a20 esp: d9799f98
ds: 007b es: 007b ss: 0068
Process make (pid: 12576, threadinfo=d9798000 task=f6324530)
Stack: c1931e20 c01637d1 ffc5c000 0000001b bfe6c930 bfe6c930 00001000
d9798000
c01026fb bfe6c930 00001000 40143f0c bfe6c930 00001000 bfe6c098
000000b7
0000007b c010007b 000000b7 ffffe410 00000073 00000286 bfe6c06c
0000007b
Call Trace:
[<c01637d1>] sys_getcwd+0x17f/0x18a
[<c01026fb>] sysenter_past_esp+0x54/0x79
Code: 4b 78 0e 8b 56 04 8b 44 9e 08 e8 da f8 ff ff eb ef 5b 5e c3 53 89
c1 89 d3 89 c2 8b 00 f6 c4 40 74 03 8b 51 0c 8b 42 04 40 75 08 <0f> 0b
32 04 45 72 30 c0 f0 83 41 04 ff 0f 98 c0 84 c0 74 15 85
-------------------------------------
Note: "if (put_page_testzero(page)) {" is line 1074 in my source tree
Also, I do not see a mem= line in the stats file for the default class.
chandra
On Tue, 2006-01-31 at 11:30 +0900, KUROSAWA Takahiro wrote:
> I've split the patches into smaller pieces in order to increase
> readability. The core part of the patchset is the fifth one with
> the subject "Add the pzone_create() function."
>
> Changes since the last post:
> * Fixed a bug that pages allocated with __GFP_COLD are incorrectly handled.
> * Moved the PZONE bit in page flags next to the zone number bits in
> order to make changes by pzones smaller.
> * Moved the nr_zones locking functions outside of the CONFIG_PSEUDO_ZONE
> because they are not directly related to pzones.
>
> Thanks,
>
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