linux-kernel - [PATCH 0/2] seq: Speed up /proc/<pid>/smaps

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Message-Id: <cover.1471679737.git.joe@perches.com>
Date:   Sat, 20 Aug 2016 01:00:15 -0700
From:   Joe Perches <joe@...ches.com>
To:     Michal Hocko <mhocko@...nel.org>, linux-fsdevel@...r.kernel.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Jann Horn <jann@...jh.net>, linux-mm@...ck.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] seq: Speed up /proc/<pid>/smaps

Doing a simple cat of these files can take a lot more cpu than
it should.  Optimize it a bit.

Joe Perches (2):
  seq_file: Add __seq_open_private_bufsize for seq file_operation sizes
  proc: task_mmu: Reduce output processing cpu time

 fs/proc/task_mmu.c       | 94 ++++++++++++++++++++++++------------------------
 fs/seq_file.c            | 31 ++++++++++++++++
 include/linux/seq_file.h |  3 ++
 3 files changed, 82 insertions(+), 46 deletions(-)

-- 
2.8.0.rc4.16.g56331f8