linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Michal Hocko <mhocko@suse.com>
To: Feng Tang <feng.tang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, David Rientjes <rientjes@google.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Ben Widawsky <ben.widawsky@intel.com>,
	linux-kernel@vger.kernel.org,
	Andrea Arcangeli <aarcange@redhat.com>,
	Mel Gorman <mgorman@techsingularity.net>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Vlastimil Babka <vbabka@suse.cz>, Andi Kleen <ak@linux.intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	ying.huang@intel.com
Subject: Re: [v3 PATCH 0/3] mm/mempolicy: some fix and semantics cleanup
Date: Tue, 1 Jun 2021 10:48:08 +0200	[thread overview]
Message-ID: <YLX0SFNfXVxcjV2/@dhcp22.suse.cz> (raw)
In-Reply-To: <20210601005513.GA15828@shbuild999.sh.intel.com>

On Tue 01-06-21 08:55:13, Feng Tang wrote:
[...]
> Current memory policy code has some confusing and ambiguous part about
> MPOL_LOCAL policy, as it is handled as a faked MPOL_PREFERRED one, and
> there are many places having to distinguish them. Also the nodemask
> intersection check needs cleanup to be more explicit for OOM use, and
> handle MPOL_INTERLEAVE correctly. This patchset cleans up these and
> unifies the parameter sanity check for mbind() and set_mempolicy().

Looks good to me. I would just add that this cleanup helps to make
further changes easier (notably MPOL_PREFERRED_MANY)

-- 
Michal Hocko
SUSE Labs

      reply	other threads:[~2021-06-01  8:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-31 14:05 [v3 PATCH 0/3] mm/mempolicy: some fix and semantics cleanup Feng Tang
2021-05-31 14:05 ` [v3 PATCH 1/3] mm/mempolicy: cleanup nodemask intersection check for oom Feng Tang
2021-06-01  8:19   ` Michal Hocko
2021-06-01 11:08     ` Feng Tang
2021-06-01 23:56       ` Andrew Morton
2021-05-31 14:05 ` [v3 PATCH 2/3] mm/mempolicy: don't handle MPOL_LOCAL like a fake MPOL_PREFERRED policy Feng Tang
2021-06-01  8:44   ` Michal Hocko
2021-06-01 11:29     ` Feng Tang
2021-05-31 14:05 ` [v3 PATCH 3/3] mm/mempolicy: unify the parameter sanity check for mbind and set_mempolicy Feng Tang
2021-06-01  8:46   ` Michal Hocko
2021-05-31 21:41 ` [v3 PATCH 0/3] mm/mempolicy: some fix and semantics cleanup Andrew Morton
2021-06-01  0:55   ` Feng Tang
2021-06-01  8:48     ` Michal Hocko [this message]

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=YLX0SFNfXVxcjV2/@dhcp22.suse.cz \
    --to=mhocko@suse.com \
    --cc=aarcange@redhat.com \
    --cc=ak@linux.intel.com \
    --cc=akpm@linux-foundation.org \
    --cc=ben.widawsky@intel.com \
    --cc=dan.j.williams@intel.com \
    --cc=dave.hansen@intel.com \
    --cc=feng.tang@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mgorman@techsingularity.net \
    --cc=mike.kravetz@oracle.com \
    --cc=rdunlap@infradead.org \
    --cc=rientjes@google.com \
    --cc=vbabka@suse.cz \
    --cc=ying.huang@intel.com \
    /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;
as well as URLs for NNTP newsgroup(s).