linux-kernel - Re: [PATCH-next v2] lib: parser: optimize match

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Message-ID: <Y72flHV4lsxUi5/T@slm.duckdns.org>
Date:   Tue, 10 Jan 2023 07:25:40 -1000
From:   Tejun Heo <tj@...nel.org>
To:     "lilingfeng (A)" <lilingfeng3@...wei.com>
Cc:     linux-kernel@...r.kernel.org, jack@...e.cz, bingjingc@...ology.com,
        ebiggers@...gle.com, james.smart@...adcom.com, houtao1@...wei.com,
        yi.zhang@...wei.com, yangerkun@...wei.com, yukuai3@...wei.com
Subject: Re: [PATCH-next v2] lib: parser: optimize match_NUMER apis to use
 local array

On Tue, Jan 10, 2023 at 09:49:21PM +0800, lilingfeng (A) wrote:
> 
> 在 2022/12/13 22:17, Li Lingfeng 写道:
> > Memory will be allocated to store substring_t in match_strdup(), which means
> > the caller of match_strdup() may need to be scheduled out to wait for reclaiming
> > memory.
> > 
> > Using local array to store substring_t to remove the restriction.
> > 
> > Link: https://lore.kernel.org/all/20221104023938.2346986-5-yukuai1@huaweicloud.com/
> > Signed-off-by: Li Lingfeng <lilingfeng3@...wei.com>
> > ---
> >   v1->v2:
> >     change the name of buffer's length
> >     use match_strlcpy() to copy string and keep string length check
> >   lib/parser.c | 42 +++++++++++++++++++++++-------------------
> >   1 file changed, 23 insertions(+), 19 deletions(-)
> > 
> > diff --git a/lib/parser.c b/lib/parser.c
> 
> I can't find the maintainer of this module through the script, does anyone
> know?

Oh, send it to Andrew Morton <akpm@...ux-foundation.org>.

Thanks.

-- 
tejun