linux-kernel - Re: [PATCH v3 2/4] rust: kvec: implement shrink_to and shrink_to

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Message-ID: <ccf56514-d8e6-483b-a8b4-06bc32728ac8@cock.li>
Date: Sun, 8 Feb 2026 21:41:44 +0530
From: Shivam Kalra <shivamklr@...k.li>
To: Danilo Krummrich <dakr@...nel.org>,
 Shivam Kalra via B4 Relay <devnull+shivamklr.cock.li@...nel.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 Vlastimil Babka <vbabka@...e.cz>, "Liam R. Howlett"
 <Liam.Howlett@...cle.com>, Uladzislau Rezki <urezki@...il.com>,
 Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>,
 Gary Guo <gary@...yguo.net>, Björn Roy Baron
 <bjorn3_gh@...tonmail.com>, Benno Lossin <lossin@...nel.org>,
 Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>,
 Trevor Gross <tmgross@...ch.edu>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Arve Hjønnevåg <arve@...roid.com>,
 Todd Kjos <tkjos@...roid.com>, Christian Brauner <brauner@...nel.org>,
 Carlos Llamas <cmllamas@...gle.com>, rust-for-linux@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/4] rust: kvec: implement shrink_to and shrink_to_fit
 for Vec

On 07/02/26 22:53, Danilo Krummrich wrote:
> This is the specific heuristic we use for the Vmalloc shrink workaround
> (including when for KVmalloc is_vmalloc_addr() is true) and it doesn't belong
> into the common code path.
> 
> But this goes away anyways with the above changes.

Thanks for the review, Danilo!
I understand the suggestion to restructure.
I'll rework the patches accordingly and send v4 in a few days
after giving others time to provide feedback on this version.
Best,
Shivam