[PATCH][BUGFIX][for -mm] Misc fix for memory cgroup [4/5] skip !PageLRU page in mem_cgroup_isolate_pages

[Balbir Singh]

KAMEZAWA Hiroyuki wrote:
> I'm sorry that this patch needs following fix..
> Andrew, could you apply this ?
> (All version I sent has this bug....Sigh)
> 
> Thanks,
> -Kame
> ==
> Bugfix for memory cgroup skip !PageLRU page in mem_cgroup_isolate_pages
> 
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com>
> 
> Index: devel-2.6.23-mm1/mm/memcontrol.c
> ===================================================================
> --- devel-2.6.23-mm1.orig/mm/memcontrol.c
> +++ devel-2.6.23-mm1/mm/memcontrol.c
> @@ -260,7 +260,7 @@ unsigned long mem_cgroup_isolate_pages(u
>  	spin_lock(&mem_cont->lru_lock);
>  	scan = 0;
>  	list_for_each_entry_safe_reverse(pc, tmp, src, lru) {
> -		if (scan++ > nr_taken)
> +		if (scan++ > nr_to_scan)
>  			break;
>  		page = pc->page;
>  		VM_BUG_ON(!pc);
> 

Good catch! Sorry, I missed it in the review

Acked-by: Balbir Singh <balbir at linux.vnet.ibm.com>

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL