linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Wei Yang <richardw.yang@linux.intel.com>, akpm@linux-foundation.org
Cc: 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 12:13:38 +0530	[thread overview]
Message-ID: <3987ae0f-cbfc-1066-c78f-c5c6efc570ed@arm.com> (raw)
In-Reply-To: <20200120030415.15925-5-richardw.yang@linux.intel.com>



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.

> 
> 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.

  reply	other threads:[~2020-01-20  6:42 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 [this message]
2020-01-20 12:36     ` Wei Yang
2020-01-21  4:49       ` Anshuman Khandual
2020-01-22  1:00         ` Wei Yang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=3987ae0f-cbfc-1066-c78f-c5c6efc570ed@arm.com \
    --to=anshuman.khandual@arm.com \
    --cc=akpm@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=richardw.yang@linux.intel.com \
    --cc=rientjes@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).