mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: "Darrick J. Wong" <djwong@kernel.org>
To: akpm@linux-foundation.org, daniel@gluo.nz,
	kent.overstreet@linux.dev, djwong@kernel.org
Cc: linux-xfs@vger.kernel.org, linux-bcachefs@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 08/10] time_stats: shrink time_stat_buffer for better alignment
Date: Fri, 23 Feb 2024 17:12:10 -0800	[thread overview]
Message-ID: <170873668069.1860949.912351762607273370.stgit@frogsfrogsfrogs> (raw)
In-Reply-To: <170873667916.1860949.11027844260383646446.stgit@frogsfrogsfrogs>

From: Darrick J. Wong <djwong@kernel.org>

Shrink this percpu object by one array element so that the object size
becomes exactly 512 bytes.  This will lead to more efficient memory use,
hopefully.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
 include/linux/time_stats.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


diff --git a/include/linux/time_stats.h b/include/linux/time_stats.h
index dc539123f7997..b3c810fff963a 100644
--- a/include/linux/time_stats.h
+++ b/include/linux/time_stats.h
@@ -63,7 +63,7 @@ struct time_stat_buffer {
 	struct time_stat_buffer_entry {
 		u64	start;
 		u64	end;
-	}		entries[32];
+	}		entries[31];
 };
 
 struct time_stats {


  parent reply	other threads:[~2024-02-24  1:12 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-24  1:00 [PATCHBOMB] time_stats, thread_with_file: lifting generic code to lib Darrick J. Wong
2024-02-24  1:07 ` [PATCHSET 1/6] time_stats: promote to lib/ Darrick J. Wong
2024-02-24  1:09   ` [PATCH 1/4] mean and variance: Promote to lib/math Darrick J. Wong
2024-02-24  1:09   ` [PATCH 2/4] eytzinger: Promote to include/linux/ Darrick J. Wong
2024-02-24  1:09   ` [PATCH 3/4] bcachefs: bch2_time_stats_to_seq_buf() Darrick J. Wong
2024-02-24  1:10   ` [PATCH 4/4] time_stats: Promote to lib/ Darrick J. Wong
2024-02-24  1:08 ` [PATCHSET 2/6] time_stats: cleanups and fixes Darrick J. Wong
2024-02-24  1:10   ` [PATCH 01/10] time_stats: report lifetime of the stats object Darrick J. Wong
2024-02-24  1:10   ` [PATCH 02/10] time_stats: split stats-with-quantiles into a separate structure Darrick J. Wong
2024-02-24  1:10   ` [PATCH 03/10] time_stats: fix struct layout bloat Darrick J. Wong
2024-02-24  1:11   ` [PATCH 04/10] time_stats: add larger units Darrick J. Wong
2024-02-24  1:11   ` [PATCH 05/10] time_stats: don't print any output if event count is zero Darrick J. Wong
2024-02-24  1:11   ` [PATCH 06/10] time_stats: allow custom epoch names Darrick J. Wong
2024-02-24  1:11   ` [PATCH 07/10] mean_and_variance: put struct mean_and_variance_weighted on a diet Darrick J. Wong
2024-02-24  1:12   ` Darrick J. Wong [this message]
2024-02-24  1:12   ` [PATCH 09/10] time_stats: report information in json format Darrick J. Wong
2024-02-24  4:15     ` Darrick J. Wong
2024-02-24  5:10       ` Kent Overstreet
2024-02-24  6:02         ` Darrick J. Wong
2024-02-24  1:12   ` [PATCH 10/10] time_stats: Kill TIME_STATS_HAVE_QUANTILES Darrick J. Wong
2024-02-24  1:08 ` [PATCHSET 4/6] thread_with_file: promote to lib/ Darrick J. Wong
2024-02-24  1:14   ` [PATCH 01/10] bcachefs: thread_with_stdio: eliminate double buffering Darrick J. Wong
2024-02-24  1:14   ` [PATCH 02/10] bcachefs: thread_with_stdio: convert to darray Darrick J. Wong
2024-02-24  1:14   ` [PATCH 03/10] bcachefs: thread_with_stdio: kill thread_with_stdio_done() Darrick J. Wong
2024-02-24  1:14   ` [PATCH 04/10] bcachefs: thread_with_stdio: fix bch2_stdio_redirect_readline() Darrick J. Wong
2024-02-24  1:15   ` [PATCH 05/10] bcachefs: Thread with file documentation Darrick J. Wong
2024-02-24  1:15   ` [PATCH 06/10] darray: lift from bcachefs Darrick J. Wong
2024-02-24  1:15   ` [PATCH 07/10] thread_with_file: Lift " Darrick J. Wong
2024-02-24  1:15   ` [PATCH 08/10] thread_with_stdio: Mark completed in ->release() Darrick J. Wong
2024-02-24  1:16   ` [PATCH 09/10] kernel/hung_task.c: export sysctl_hung_task_timeout_secs Darrick J. Wong
2024-02-24  1:16   ` [PATCH 10/10] thread_with_stdio: suppress hung task warning Darrick J. Wong
2024-02-24  1:08 ` [PATCHSET 5/6] thread_with_file: cleanups and fixes Darrick J. Wong
2024-02-24  1:16   ` [PATCH 1/5] thread_with_file: allow creation of readonly files Darrick J. Wong
2024-02-24  1:16   ` [PATCH 2/5] thread_with_file: fix various printf problems Darrick J. Wong
2024-02-24  1:17   ` [PATCH 3/5] thread_with_file: create ops structure for thread_with_stdio Darrick J. Wong
2024-02-24  1:17   ` [PATCH 4/5] thread_with_file: allow ioctls against these files Darrick J. Wong
2024-02-24  1:17   ` [PATCH 5/5] thread_with_file: Fix missing va_end() Darrick J. Wong

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=170873668069.1860949.912351762607273370.stgit@frogsfrogsfrogs \
    --to=djwong@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=daniel@gluo.nz \
    --cc=kent.overstreet@linux.dev \
    --cc=linux-bcachefs@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-xfs@vger.kernel.org \
    /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

all inboxes | Powered by JetHome®