linux-kernel - Re: patch mm-fix-committed_as-underflow-on-large-nr_cpus-environment.patch added to 2.6.29-stable tree

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Date:	Wed, 6 May 2009 07:58:16 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Stefan Lippers-Hollmann <s.L-H@....de>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	cl@...ux-foundation.org, dave@...ux.vnet.ibm.com,
	ebmunson@...ibm.com, mel@....ul.ie, stable@...nel.org
Subject: Re: patch mm-fix-committed_as-underflow-on-large-nr_cpus-environment.patch 
	added to 2.6.29-stable tree

>> Could you please post oops log?
>> current mmotm (include this patch) works fine on my x86_64 box. Then,
>> I have no hint now ;-)
>
> Ok, I'll apply the patch and reboot and take a picture of it...

umm.

Greg, your stable queue has following function?
2.6.29.2 + this patch don't make correct mmap_init() on my box.
(instead, changing unrelated function)

Please check.

--------------------------------------------------------------------------------------
/*
 * initialise the VMA slab
 */
void __init mmap_init(void)
{
        int ret;

        ret = percpu_counter_init(&vm_committed_as, 0);
        VM_BUG_ON(ret);
        vm_area_cachep = kmem_cache_create("vm_area_struct",
                        sizeof(struct vm_area_struct), 0,
                        SLAB_PANIC, NULL);
}
--------------------------------------------------------------------------------------
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