From: Kent Overstreet <kent.overstreet@gmail.com>
To: Joe Perches <joe@perches.com>
Cc: Matthew Wilcox <willy@infradead.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org, hch@lst.de, hannes@cmpxchg.org,
akpm@linux-foundation.org, linux-clk@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-input@vger.kernel.org,
roman.gushchin@linux.dev
Subject: Re: [PATCH v2 1/8] lib/printbuf: New data structure for heap-allocated strings
Date: Mon, 25 Apr 2022 00:59:09 -0400 [thread overview]
Message-ID: <20220425045909.rhot6b4xrd4tv6h6@moria.home.lan> (raw)
In-Reply-To: <9ab6601364a16c782ca36ab22a2c67face0785a7.camel@perches.com>
On Sun, Apr 24, 2022 at 09:48:58PM -0700, Joe Perches wrote:
> On Mon, 2022-04-25 at 00:19 -0400, Kent Overstreet wrote:
> > On Mon, Apr 25, 2022 at 03:44:34AM +0100, Matthew Wilcox wrote:
> > > On Sun, Apr 24, 2022 at 04:46:03PM -0700, Joe Perches wrote:
> > > > > + * pr_human_readable_u64, pr_human_readable_s64: Print an integer with human
> > > > > + * readable units.
> > > >
> > > > Why not extend vsprintf for this using something like %pH[8|16|32|64]
> > > > or %pH[c|s|l|ll|uc|us|ul|ull] ?
> > >
> > > The %pX extension we have is _cute_, but ultimately a bad idea. It
> > > centralises all kinds of unrelated things in vsprintf.c, eg bdev_name()
> > > and clock() and ip_addr_string().
> >
> > And it's not remotely discoverable. I didn't realize we had bdev_name()
> > available as a format string until just now or I would've been using it!
>
> Documentation/core-api/printk-formats.rst
Who has time for docs?
next prev parent reply other threads:[~2022-04-25 4:59 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-21 23:48 [PATCH 0/4] Printbufs & shrinker OOM reporting Kent Overstreet
2022-04-21 23:48 ` [PATCH 1/4] lib/printbuf: New data structure for heap-allocated strings Kent Overstreet
2022-04-21 23:48 ` [PATCH 2/4] mm: Add a .to_text() method for shrinkers Kent Overstreet
2022-04-22 12:21 ` Michal Hocko
2022-04-21 23:48 ` [PATCH 3/4] mm: Centralize & improve oom reporting in show_mem.c Kent Overstreet
2022-04-21 23:48 ` [PATCH 4/4] bcachefs: shrinker.to_text() methods Kent Overstreet
2022-04-21 23:48 ` [PATCH v2 0/8] Printbufs & improved shrinker debugging Kent Overstreet
2022-04-21 23:48 ` [PATCH v2 1/8] lib/printbuf: New data structure for heap-allocated strings Kent Overstreet
2022-04-22 4:20 ` Christoph Hellwig
2022-04-22 5:14 ` Kent Overstreet
2022-04-22 5:22 ` Christoph Hellwig
2022-04-22 5:40 ` Kent Overstreet
2022-04-22 5:52 ` Christoph Hellwig
2022-04-22 6:06 ` Kent Overstreet
2022-04-22 6:11 ` Christoph Hellwig
2022-04-22 6:18 ` Kent Overstreet
2022-04-22 15:37 ` Steven Rostedt
2022-04-22 19:30 ` Kent Overstreet
2022-04-22 19:39 ` Steven Rostedt
2022-04-22 20:30 ` Kent Overstreet
2022-04-22 20:47 ` Steven Rostedt
2022-04-22 21:51 ` Kent Overstreet
2022-04-22 22:20 ` Steven Rostedt
2022-04-22 20:03 ` James Bottomley
2022-04-22 21:13 ` Kent Overstreet
2022-04-23 14:16 ` Rust and Kernel Vendoring [Was Re: [PATCH v2 1/8] lib/printbuf: New data structure for heap-allocated strings] James Bottomley
2022-04-24 20:36 ` Kent Overstreet
2022-04-26 2:22 ` James Bottomley
2022-04-24 23:46 ` [PATCH v2 1/8] lib/printbuf: New data structure for heap-allocated strings Joe Perches
2022-04-25 0:45 ` Kent Overstreet
2022-04-25 2:44 ` Matthew Wilcox
2022-04-25 4:19 ` Kent Overstreet
2022-04-25 4:48 ` Joe Perches
2022-04-25 4:59 ` Kent Overstreet [this message]
2022-04-25 5:00 ` Joe Perches
2022-04-25 5:56 ` Kent Overstreet
2022-04-21 23:48 ` [PATCH v2 2/8] Input/joystick/analog: Convert from seq_buf -> printbuf Kent Overstreet
2022-04-21 23:48 ` [PATCH v2 3/8] mm/memcontrol.c: Convert to printbuf Kent Overstreet
2022-04-22 12:28 ` Michal Hocko
2022-04-21 23:48 ` [PATCH v2 4/8] clk: tegra: bpmp: " Kent Overstreet
2022-04-21 23:48 ` [PATCH v2 5/8] mm: Add a .to_text() method for shrinkers Kent Overstreet
2022-04-21 23:48 ` [PATCH v2 6/8] mm: Count requests to free & nr freed per shrinker Kent Overstreet
2022-04-21 23:48 ` [PATCH v2 7/8] mm: Move lib/show_mem.c to mm/ Kent Overstreet
2022-04-22 12:32 ` Michal Hocko
2022-04-21 23:48 ` [PATCH v2 8/8] mm: Centralize & improve oom reporting in show_mem.c Kent Overstreet
2022-04-22 12:58 ` Michal Hocko
2022-04-22 15:09 ` Roman Gushchin
2022-04-22 23:48 ` Kent Overstreet
2022-04-23 0:27 ` Roman Gushchin
2022-04-23 0:46 ` Kent Overstreet
2022-04-23 1:25 ` Roman Gushchin
2022-04-23 11:48 ` Tetsuo Handa
2022-04-25 9:28 ` Michal Hocko
2022-04-25 15:28 ` Kent Overstreet
2022-04-26 7:17 ` Michal Hocko
2022-04-26 7:26 ` Kent Overstreet
2022-04-26 7:40 ` Michal Hocko
2022-04-30 4:00 ` [PATCH 0/4] Printbufs & shrinker OOM reporting Dave Young
2022-04-30 4:00 ` Dave Young
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