From: Wei Yang <richardw.yang@linux.intel.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Wei Yang <richardw.yang@linux.intel.com>,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, rientjes@google.com
Subject: Re: [Patch v2 4/4] mm/page_alloc.c: extract commom part to check page
Date: Mon, 20 Jan 2020 20:36:21 +0800 [thread overview]
Message-ID: <20200120123621.GE18028@richard> (raw)
In-Reply-To: <3987ae0f-cbfc-1066-c78f-c5c6efc570ed@arm.com>
On Mon, Jan 20, 2020 at 12:13:38PM +0530, Anshuman Khandual wrote:
>
>
>On 01/20/2020 08:34 AM, Wei Yang wrote:
>> During free and new page, we did some check on the status of page
>> struct. There is some common part, just extract them.
>
>Makes sense.
>
>>
>> Besides this, this patch also rename two functions to keep the name
>> convention, since free_pages_check_bad/free_pages_check are counterparts
>> of check_new_page_bad/check_new_page.
>
>This probably should be in a different patch.
>
In v1, they are in two separate patches. While David Suggest to merge it.
I am not sure whether my understanding is correct.
>>
>> Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
>> ---
>> mm/page_alloc.c | 49 ++++++++++++++++++++++++-------------------------
>> 1 file changed, 24 insertions(+), 25 deletions(-)
>>
>> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
>> index a7b793c739fc..7f23cc836f90 100644
>> --- a/mm/page_alloc.c
>> +++ b/mm/page_alloc.c
>> @@ -1025,36 +1025,44 @@ static inline bool page_expected_state(struct page *page,
>> return true;
>> }
>>
>> -static void free_pages_check_bad(struct page *page)
>> +static inline int __check_page(struct page *page, int nr,
>> + const char **bad_reason)
>
>free and new page checks are in and out of the buddy allocator, hence
>this common factored function should have a more relevant name.
Hmm... naming is really difficult. Do you have any suggestion?
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2020-01-20 12:36 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-20 3:04 [Patch v2 0/4] mm/page_alloc.c: cleanup on check page Wei Yang
2020-01-20 3:04 ` [Patch v2 1/4] mm: enable dump several reasons for __dump_page() Wei Yang
2020-01-20 6:12 ` Anshuman Khandual
2020-01-20 8:55 ` Wei Yang
2020-01-21 5:20 ` Anshuman Khandual
2020-01-22 0:58 ` Wei Yang
2020-01-26 2:44 ` Wei Yang
2020-01-20 3:04 ` [Patch v2 2/4] mm/page_alloc.c: bad_[reason|flags] is not necessary when PageHWPoison Wei Yang
2020-01-20 6:28 ` Anshuman Khandual
2020-01-20 12:13 ` Wei Yang
2020-01-20 10:17 ` Michal Hocko
2020-01-20 12:20 ` David Hildenbrand
2020-01-20 3:04 ` [Patch v2 3/4] mm/page_alloc.c: pass all bad reasons to bad_page() Wei Yang
2020-01-20 6:33 ` Anshuman Khandual
2020-01-20 12:33 ` Wei Yang
2020-01-20 10:22 ` Michal Hocko
2020-01-20 12:19 ` David Hildenbrand
2020-01-21 1:49 ` Wei Yang
2020-01-21 6:08 ` Anshuman Khandual
2020-01-21 8:47 ` Michal Hocko
2020-01-20 3:04 ` [Patch v2 4/4] mm/page_alloc.c: extract commom part to check page Wei Yang
2020-01-20 6:43 ` Anshuman Khandual
2020-01-20 12:36 ` Wei Yang [this message]
2020-01-21 4:49 ` Anshuman Khandual
2020-01-22 1:00 ` Wei Yang
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