linux-kernel - Re: [PATCH 1/2] kmemleak: Delete an error message for a failed memory allocation in two functions

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Date:   Mon, 14 Aug 2017 13:40:04 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Catalin Marinas <catalin.marinas@....com>, linux-mm@...ck.org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/2] kmemleak: Delete an error message for a failed memory
 allocation in two functions

>> +++ b/mm/kmemleak.c
>> @@ -555,7 +555,6 @@ static struct kmemleak_object *create_object(unsigned long ptr, size_t size,
>>  
>>  	object = kmem_cache_alloc(object_cache, gfp_kmemleak_mask(gfp));
>>  	if (!object) {
>> -		pr_warn("Cannot allocate a kmemleak_object structure\n");
>>  		kmemleak_disable();
> 
> I don't really get what this patch is trying to achieve.

I suggest to reduce the code size a bit.


> Given that kmemleak will be disabled after this,

I have got difficulties to interpret this information.


> I'd rather know why it happened.

Do you find the default allocation failure report sufficient?

Regards,
Markus