Received-SPF: pass (google.com: domain of linux-kernel+bounces-65920-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1;
Date: Wed, 14 Feb 2024 20:11:05 +0000
From: Matthew Wilcox <willy@infradead.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: akpm@linux-foundation.org, kent.overstreet@linux.dev, mhocko@suse.com,
	vbabka@suse.cz, hannes@cmpxchg.org, roman.gushchin@linux.dev,
	mgorman@suse.de, dave@stgolabs.net, liam.howlett@oracle.com,
	corbet@lwn.net, void@manifault.com, peterz@infradead.org,
	juri.lelli@redhat.com, catalin.marinas@arm.com, will@kernel.org,
	arnd@arndb.de, tglx@linutronix.de, mingo@redhat.com,
	dave.hansen@linux.intel.com, x86@kernel.org, peterx@redhat.com,
	david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org,
	masahiroy@kernel.org, nathan@kernel.org, dennis@kernel.org,
	tj@kernel.org, muchun.song@linux.dev, rppt@kernel.org,
	paulmck@kernel.org, pasha.tatashin@soleen.com,
	yosryahmed@google.com, yuzhao@google.com, dhowells@redhat.com,
	hughd@google.com, andreyknvl@gmail.com, keescook@chromium.org,
	ndesaulniers@google.com, vvvvvv@google.com,
	gregkh@linuxfoundation.org, ebiggers@google.com, ytcoode@gmail.com,
	vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
	rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com,
	vschneid@redhat.com, cl@linux.com, penberg@kernel.org,
	iamjoonsoo.kim@lge.com, 42.hyeyoo@gmail.com, glider@google.com,
	elver@google.com, dvyukov@google.com, shakeelb@google.com,
	songmuchun@bytedance.com, jbaron@akamai.com, rientjes@google.com,
	minchan@google.com, kaleshsingh@google.com, kernel-team@android.com,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux.dev, linux-arch@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-modules@vger.kernel.org, kasan-dev@googlegroups.com,
	cgroups@vger.kernel.org, Andy Shevchenko <andy@kernel.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Jason Wang <jasowang@redhat.com>,
	Noralf =?iso-8859-1?Q?Tr=F8nnes?= <noralf@tronnes.org>
Subject: Re: [PATCH v3 01/35] lib/string_helpers: Add flags param to
 string_get_size()
Message-ID: <Zc0eWURJL64C3vqn@casper.infradead.org>
References: <20240212213922.783301-1-surenb@google.com>
 <20240212213922.783301-2-surenb@google.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20240212213922.783301-2-surenb@google.com>

On Mon, Feb 12, 2024 at 01:38:47PM -0800, Suren Baghdasaryan wrote:
> -	string_get_size(size, 1, STRING_UNITS_2, buf, sizeof(buf));
> +	string_get_size(size, 1, STRING_SIZE_BASE2, buf, sizeof(buf));

This patch could be a whole lot smaller if ...

> +++ b/include/linux/string_helpers.h
> @@ -17,14 +17,13 @@ static inline bool string_is_terminated(const char *s, int len)
>  	return memchr(s, '\0', len) ? true : false;
>  }
>  
> -/* Descriptions of the types of units to
> - * print in */
> -enum string_size_units {
> -	STRING_UNITS_10,	/* use powers of 10^3 (standard SI) */
> -	STRING_UNITS_2,		/* use binary powers of 2^10 */
> +enum string_size_flags {
> +	STRING_SIZE_BASE2	= (1 << 0),
> +	STRING_SIZE_NOSPACE	= (1 << 1),
> +	STRING_SIZE_NOBYTES	= (1 << 2),

you just added:

#define	STRING_UNITS_10		0
#define STRING_UNITS_2		STRING_SIZE_BASE2

and you wouldn't need to change any of the callers.