linux-kernel - Re: -next March 3: Boot failure on x86 (Oops)

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Message-ID: <4B910649.1000506@kernel.org>
Date:	Fri, 05 Mar 2010 22:25:29 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Sachin Sant <sachinp@...ibm.com>
CC:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: -next March 3: Boot failure on x86 (Oops)

On 03/05/2010 04:47 PM, Sachin Sant wrote:
>> diff --git a/mm/percpu.c b/mm/percpu.c
>> index 768419d..f1ed9ea 100644
>> --- a/mm/percpu.c
>> +++ b/mm/percpu.c
>> @@ -373,11 +373,11 @@ static int pcpu_need_to_extend(struct pcpu_chunk
>> *chunk)
>>  {
>>      int new_alloc;
>>
>> -    if (chunk->map_alloc >= chunk->map_used + 2)
>> +    if (chunk->map_alloc >= chunk->map_used + 3)
>>          return 0;
>>
>>      new_alloc = PCPU_DFL_MAP_ALLOC;
>> -    while (new_alloc < chunk->map_used + 2)
>> +    while (new_alloc < chunk->map_used + 3)
>>          new_alloc *= 2;
>>
>>      return new_alloc;

This was a red herring.  +2 is correct.

Thanks.

-- 
tejun
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