From: Shuah Khan <skhan@linuxfoundation.org>
To: Muhammad Usama Anjum <usama.anjum@collabora.com>,
Andrew Morton <akpm@linux-foundation.org>,
Shuah Khan <shuah@kernel.org>
Cc: kernel@collabora.com, kernelci@groups.io,
Will Deacon <will@kernel.org>,
Gabriel Krisman Bertazi <krisman@collabora.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-kselftest@vger.kernel.org,
Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH V3] selftests: vm: Add test for Soft-Dirty PTE bit
Date: Thu, 3 Mar 2022 11:18:28 -0700 [thread overview]
Message-ID: <537c7ca4-6dde-cbb8-2c44-271acf96666d@linuxfoundation.org> (raw)
In-Reply-To: <52f17759-c7b9-c13b-2c58-f9f2656d26f6@collabora.com>
On 2/27/22 11:55 PM, Muhammad Usama Anjum wrote:
> Hi,
>
> Andrew had already accepted the patch. I'll send an iteration.
>
> On 2/26/22 5:35 AM, Shuah Khan wrote:
>>> +#define PAGEMAP_PATH "/proc/self/pagemap"
>>
>> Why is this names PATH - it is the file name right?
> I'll update the names of the macros.
>
>>> +
>>> +int clear_refs;
>>> +int pagemap;
>>> +
>>
>> Get rid of these globals and pass these in - please find name
>> that clearly indicates them as fds
>>
> I'll update their names to indicate fds. This is a standalone test
> application. Shouldn't the usage of global variables be fine?
>
It makes it harder to maintain. Unless there is reason, avoid globals.
I am not seeing a need for globals in this case, other than convenience.
thanks,
-- Shuah
next prev parent reply other threads:[~2022-03-03 18:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-24 21:23 Muhammad Usama Anjum
2022-02-26 0:35 ` Shuah Khan
2022-02-28 6:55 ` Muhammad Usama Anjum
2022-03-03 18:18 ` Shuah Khan [this message]
2022-02-28 9:37 ` David Hildenbrand
2022-03-03 18:19 ` Shuah Khan
2022-03-03 18:39 ` Gabriel Krisman Bertazi
2022-03-03 21:46 ` Shuah Khan
2022-03-04 16:14 ` Gabriel Krisman Bertazi
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