All of lore.kernel.org
 help / color / mirror / Atom feed
From: Johannes Weiner <hannes@cmpxchg.org>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Shakeel Butt <shakeel.butt@linux.dev>,
	Yosry Ahmed <yosry.ahmed@linux.dev>, Zi Yan <ziy@nvidia.com>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Usama Arif <usama.arif@linux.dev>,
	Kiryl Shutsemau <kas@kernel.org>,
	Dave Chinner <david@fromorbit.com>,
	Roman Gushchin <roman.gushchin@linux.dev>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/7] mm: list_lru: introduce caller locking for additions and deletions
Date: Tue, 17 Mar 2026 10:34:10 -0400	[thread overview]
Message-ID: <ablmYhfNFIfHqzX5@cmpxchg.org> (raw)
In-Reply-To: <ablfFy6xnWwZQyUq@cmpxchg.org>

On Tue, Mar 17, 2026 at 10:03:08AM -0400, Johannes Weiner wrote:
> On Tue, Mar 17, 2026 at 11:00:59AM +0100, David Hildenbrand (Arm) wrote:
> > On 3/12/26 21:51, Johannes Weiner wrote:
> > > +void list_lru_unlock(struct list_lru_one *l)
> > > +{
> > > +	unlock_list_lru(l, false, NULL);
> > > +}
> > > +
> > > +struct list_lru_one *list_lru_lock_irqsave(struct list_lru *lru, int nid,
> > > +					   struct mem_cgroup *memcg,
> > > +					   unsigned long *flags)
> > > +{
> > > +	return lock_list_lru_of_memcg(lru, nid, memcg, true, flags, false);
> > 
> > And here it gets really confusing. true false false ... am I reading
> > binary code?
> > 
> > I guess the second "false" should actually be "NULL" :)
> 
> Good catch, I'll fix that.

That's actually "flags" haha. But it supports your point.


  reply	other threads:[~2026-03-17 14:34 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-12 20:51 [PATCH v2 0/7] mm: switch THP shrinker to list_lru Johannes Weiner
2026-03-12 20:51 ` [PATCH v2 1/7] mm: list_lru: lock_list_lru_of_memcg() cannot return NULL if !skip_empty Johannes Weiner
2026-03-17  9:43   ` David Hildenbrand (Arm)
2026-03-18 17:56   ` Shakeel Butt
2026-03-18 19:25     ` Johannes Weiner
2026-03-18 19:34       ` Shakeel Butt
2026-03-12 20:51 ` [PATCH v2 2/7] mm: list_lru: deduplicate unlock_list_lru() Johannes Weiner
2026-03-17  9:44   ` David Hildenbrand (Arm)
2026-03-18 17:57   ` Shakeel Butt
2026-03-12 20:51 ` [PATCH v2 3/7] mm: list_lru: move list dead check to lock_list_lru_of_memcg() Johannes Weiner
2026-03-17  9:47   ` David Hildenbrand (Arm)
2026-03-12 20:51 ` [PATCH v2 4/7] mm: list_lru: deduplicate lock_list_lru() Johannes Weiner
2026-03-17  9:51   ` David Hildenbrand (Arm)
2026-03-12 20:51 ` [PATCH v2 5/7] mm: list_lru: introduce caller locking for additions and deletions Johannes Weiner
2026-03-17 10:00   ` David Hildenbrand (Arm)
2026-03-17 14:03     ` Johannes Weiner
2026-03-17 14:34       ` Johannes Weiner [this message]
2026-03-17 16:35         ` David Hildenbrand (Arm)
2026-03-12 20:51 ` [PATCH v2 6/7] mm: list_lru: introduce memcg_list_lru_alloc_folio() Johannes Weiner
2026-03-17 10:09   ` David Hildenbrand (Arm)
2026-03-12 20:51 ` [PATCH v2 7/7] mm: switch deferred split shrinker to list_lru Johannes Weiner
2026-03-18 20:25   ` David Hildenbrand (Arm)
2026-03-18 22:48     ` Johannes Weiner
2026-03-19  7:21       ` David Hildenbrand (Arm)
2026-03-20 16:02         ` Johannes Weiner
2026-03-23 19:39           ` David Hildenbrand (Arm)
2026-03-20 16:07         ` Johannes Weiner
2026-03-23 19:32           ` David Hildenbrand (Arm)
2026-03-13 17:39 ` [syzbot ci] Re: mm: switch THP " syzbot ci
2026-03-13 23:08   ` Johannes Weiner

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=ablmYhfNFIfHqzX5@cmpxchg.org \
    --to=hannes@cmpxchg.org \
    --cc=Liam.Howlett@oracle.com \
    --cc=akpm@linux-foundation.org \
    --cc=david@fromorbit.com \
    --cc=david@kernel.org \
    --cc=kas@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=roman.gushchin@linux.dev \
    --cc=shakeel.butt@linux.dev \
    --cc=usama.arif@linux.dev \
    --cc=yosry.ahmed@linux.dev \
    --cc=ziy@nvidia.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.