linux-kernel - [PATCH 0/3] indirectly reclaimable memory

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Message-ID: <20180305133743.12746-1-guro@fb.com>
Date:   Mon, 5 Mar 2018 13:37:39 +0000
From:   Roman Gushchin <guro@...com>
To:     <linux-mm@...ck.org>
CC:     Roman Gushchin <guro@...com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Michal Hocko <mhocko@...e.com>,
        Johannes Weiner <hannes@...xchg.org>,
        <linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel-team@...com>
Subject: [PATCH 0/3] indirectly reclaimable memory

This patch set introduces the concept of indirectly reclaimable
memory and applies it to fix the issue, when a big number
of dentries with external names can significantly affect
the MemAvailable value.

v2:
1) removed comments specific to unreclaimable slabs
2) splitted into 3 patches

v1:
https://lkml.org/lkml/2018/3/1/961

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Alexander Viro <viro@...iv.linux.org.uk>
Cc: Michal Hocko <mhocko@...e.com>
Cc: Johannes Weiner <hannes@...xchg.org>
Cc: linux-fsdevel@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org
Cc: kernel-team@...com

Roman Gushchin (3):
  mm: introduce NR_INDIRECTLY_RECLAIMABLE_BYTES
  mm: treat indirectly reclaimable memory as available in MemAvailable
  dcache: account external names as indirectly reclaimable memory

 fs/dcache.c            | 29 ++++++++++++++++++++++++-----
 include/linux/mmzone.h |  1 +
 mm/page_alloc.c        |  7 +++++++
 mm/vmstat.c            |  1 +
 4 files changed, 33 insertions(+), 5 deletions(-)

-- 
2.14.3