linux-kernel - Re: [PATCH v3 1/2] alloc_tag: introduce clear_page_tag

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Message-ID: <CA+CK2bBzRv70ECqkQOtvpPBuxKo=iAePgO5+UGuA7c9TwEfPqw@mail.gmail.com>
Date: Wed, 14 Aug 2024 18:42:20 +0000
From: Pasha Tatashin <pasha.tatashin@...een.com>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: akpm@...ux-foundation.org, kent.overstreet@...ux.dev, david@...hat.com, 
	vbabka@...e.cz, souravpanda@...gle.com, keescook@...omium.org, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, stable@...r.kernel.org
Subject: Re: [PATCH v3 1/2] alloc_tag: introduce clear_page_tag_ref() helper function

On Tue, Aug 13, 2024 at 3:08 PM Suren Baghdasaryan <surenb@...gle.com> wrote:
>
> In several cases we are freeing pages which were not allocated using
> common page allocators. For such cases, in order to keep allocation
> accounting correct, we should clear the page tag to indicate that the
> page being freed is expected to not have a valid allocation tag.
> Introduce clear_page_tag_ref() helper function to be used for this.


Reviewed-by: Pasha Tatashin <pasha.tatashin@...een.com>