Re: [PATCH linux-next] mm/huge_memory: remove redundant locking when parsing THP sysfs input
From: Andrew Morton
Date: Sat May 11 2024 - 17:35:10 EST
(cc Muchun)
On Sat, 11 May 2024 17:05:13 +0100 Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
> On Sat, May 11, 2024 at 02:40:48PM +0800, xu.xin16@xxxxxxxxxx wrote:
> > From: Ran Xiaokai <ran.xiaokai@xxxxxxxxxx>
> >
> > Since sysfs_streq() only performs a simple memory comparison operation
> > and will not introduce any sleepable operation, So there is no
> > need to drop the lock when parsing input. Remove redundant lock
> > and unlock operations to make code cleaner.
>
> i disagree that it makes the code cleaner.
Oh. Why is that? The end result looks nice to me and saves a bit of
text.