lkml.org 
[lkml]   [2010]   [Jan]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -mmotm] build fix for memcg-move-charges-of-anonymous-swap.patch
On Thu, 7 Jan 2010 13:30:26 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:

> On Thu, 7 Jan 2010 13:06:09 +0900
> Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:
>
> > build fix in !CONFIG_SWAP case.
> >
> > CC mm/memcontrol.o
> > mm/memcontrol.c: In function 'is_target_pte_for_mc':
> > mm/memcontrol.c:3648: error: implicit declaration of function 'mem_cgroup_count_swap_user'
> > make[1]: *** [mm/memcontrol.o] Error 1
> > make: *** [mm] Error 2
> >
> > Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
> > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> > Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
>
> Hmm, this doesn't seem include fix for CONFIG_CGROUP_MEM_RES_CTLR_SWAP=n
> ==
> static int is_target_pte_for_mc(struct vm_area_struct *vma,
> unsigned long addr, pte_t ptent, union mc_target *target)
> {
> ....
> else if (is_swap_pte(ptent)) {
> ent = pte_to_swp_entry(ptent);
> if (!move_anon || non_swap_entry(ent))
> return 0;
> usage_count = mem_cgroup_count_swap_user(ent, &page);
> }
> ==
> At least, !do_swap_account check is necessary, I think.
> I'm sorry if I miss something...
>

Get follwoing after this patch with !CONFIG_SWAP case.
==
mm/built-in.o: In function `is_target_pte_for_mc':
/home/kamezawa/Kernel/ref-mmotm/mm/memcontrol.c:3985: undefined reference to `mem_cgroup_count_swap_user'


I think !do_swap_count check in is_target_pte_for_mc() should be added.

Thanks,
-Kame




\
 
 \ /
  Last update: 2010-01-07 06:13    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site