linux-kernel - Re: [PATCH v4 0/3] Only free healthy pages in high-order has

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Message-ID: <20260206161628.78161-1-boudewijn@delta-utec.com>
Date: Fri,  6 Feb 2026 17:16:28 +0100
From: Boudewijn van der Heide <boudewijn@...ta-utec.com>
To: ziy@...dia.com
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Subject: Re: [PATCH v4 0/3] Only free healthy pages in high-order has_hwpoisoned folio

Hi Yan, Zi,

> No, split code[1] sets has_hwpoison flag when it split a folio to a non-0 order
> folios. If you do not see it in your kernel code, you might need to update
> your kernel to latest stable one or one newer than or equal to 6.18.

Thanks for pointing out the split code. I went through the callstacks
again and I agree it propagates the flag correctly.
I missed this initially.

Kind regards,
Boudewijn