linux-kernel - Re: [PATCH v6 00/45] use refcount+RCU method to implement lockless slab shrink

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Date:   Mon, 27 Nov 2023 13:53:56 +0000
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ryan Lahfa <ryan@...fa.xyz>
Cc:     zhengqi.arch@...edance.com, akpm@...ux-foundation.org,
        brauner@...nel.org, cel@...nel.org, david@...morbit.com,
        djwong@...nel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        muchun.song@...ux.dev, paulmck@...nel.org,
        roman.gushchin@...ux.dev, senozhatsky@...omium.org,
        steven.price@....com, tkhai@...ru, tytso@....edu, vbabka@...e.cz,
        yujie.liu@...el.com
Subject: Re: [PATCH v6 00/45] use refcount+RCU method to implement lockless
 slab shrink

On Sun, Nov 26, 2023 at 03:27:03PM +0100, Ryan Lahfa wrote:
> Hi there,
> 
> Given that this series removes the old shrinker APIs and re-adds new
> shrinker APIs with `EXPORT_SYMBOL_GPL`, is the intention to prevent any
> out of tree module user which is incompatible with GPL to use the
> shrinker APIs to register callbacks?

We really can't do much about out-of-tree code, sorry.  Please work to
get your out-of-tree code merged into the kernel tree properly, as
that's the normal kernel development model.

thanks,

greg k-h