From: Davidlohr Bueso <dave@stgolabs.net>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
SeongJae Park <sj@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@redhat.com>,
Shakeel Butt <shakeel.butt@linux.dev>,
Vlastimil Babka <vbabka@suse.cz>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC PATCH v2 4/4] mm/madvise: remove redundant mmap_lock operations from process_madvise()
Date: Fri, 31 Jan 2025 09:58:11 -0800 [thread overview]
Message-ID: <20250131175811.37fcmoevcdpeoaj6@offworld> (raw)
In-Reply-To: <5fc4e100-70d3-44c1-99f7-f8a5a6a0ba65@lucifer.local>
On Fri, 31 Jan 2025, Lorenzo Stoakes wrote:
>Keep in mind process_madvise() is not limited by IOV_MAX, which can be rather
>high, but rather UIO_FASTIOV, which is limited to 8 entries.
>
>(Some have been surprised by this limitation...!)
Ah if that is the case then I'm fine with this patch as is.
>
>So I think at this point scaling isn't a huge issue, I raise it because in
>future we may want to increase this limit, at which point we should think about
>it, which is why I sort of hand-waved it away a bit.
Agreed.
SJ, feel free to add my:
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
next prev parent reply other threads:[~2025-01-31 17:58 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-17 1:30 [RFC PATCH v2 0/4] mm/madvise: remove redundant mmap_lock operations from process_madvise() SeongJae Park
2025-01-17 1:30 ` [RFC PATCH v2 1/4] mm/madvise: split out mmap locking operations for madvise() SeongJae Park
2025-01-29 19:18 ` Shakeel Butt
2025-01-31 15:58 ` Lorenzo Stoakes
2025-01-31 17:33 ` Davidlohr Bueso
2025-01-17 1:30 ` [RFC PATCH v2 2/4] mm/madvise: split out madvise input validity check SeongJae Park
2025-01-29 19:18 ` Shakeel Butt
2025-01-31 16:01 ` Lorenzo Stoakes
2025-01-31 19:19 ` Davidlohr Bueso
2025-01-17 1:30 ` [RFC PATCH v2 3/4] mm/madvise: split out madvise() behavior execution SeongJae Park
2025-01-29 19:19 ` Shakeel Butt
2025-01-31 16:10 ` Lorenzo Stoakes
2025-01-17 1:30 ` [RFC PATCH v2 4/4] mm/madvise: remove redundant mmap_lock operations from process_madvise() SeongJae Park
2025-01-29 19:20 ` Shakeel Butt
2025-01-31 16:53 ` Lorenzo Stoakes
2025-01-31 17:31 ` Davidlohr Bueso
2025-01-31 17:47 ` Liam R. Howlett
2025-01-31 17:51 ` Lorenzo Stoakes
2025-01-31 17:58 ` Davidlohr Bueso [this message]
2025-02-04 19:53 ` SeongJae Park
2025-02-06 6:28 ` SeongJae Park
2025-05-17 19:28 ` Lorenzo Stoakes
2025-05-19 18:25 ` SeongJae Park
2025-01-31 19:17 ` Shakeel Butt
2025-02-04 18:56 ` SeongJae Park
2025-01-29 19:22 ` [RFC PATCH v2 0/4] " Shakeel Butt
2025-01-29 21:09 ` SeongJae Park
2025-01-31 16:04 ` Liam R. Howlett
2025-01-31 16:30 ` SeongJae Park
2025-01-31 16:55 ` Lorenzo Stoakes
2025-01-31 17:53 ` Lorenzo Stoakes
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=20250131175811.37fcmoevcdpeoaj6@offworld \
--to=dave@stgolabs.net \
--cc=Liam.Howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=david@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=shakeel.butt@linux.dev \
--cc=sj@kernel.org \
--cc=vbabka@suse.cz \
/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.