From: Sasha Levin <sashal@kernel.org>
To: Yang Shi <yang@os.amperecomputing.com>
Cc: gregkh@linuxfoundation.org, yangge1116@126.com,
hch@infradead.org, david@redhat.com, peterx@redhat.com,
akpm@linux-foundation.org, linux-mm@kvack.org,
stable@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [v6.6-stable PATCH] mm: gup: stop abusing try_grab_folio
Date: Wed, 7 Aug 2024 20:59:24 -0400 [thread overview]
Message-ID: <ZrQYbLGWVf9zOT1p@sashalap> (raw)
In-Reply-To: <20240806193037.1826490-1-yang@os.amperecomputing.com>
On Tue, Aug 06, 2024 at 12:30:36PM -0700, Yang Shi wrote:
>commit f442fa6141379a20b48ae3efabee827a3d260787 upstream
>
>A kernel warning was reported when pinning folio in CMA memory when
>launching SEV virtual machine. The splat looks like:
[snip]
This doesn't compile on 6.6...
mm/huge_memory.c: In function 'follow_devmap_pud':
mm/huge_memory.c:1213:8: error: implicit declaration of function 'try_grab_page'; did you mean 'try_get_page'? [-Werror=implicit-function-declaration]
1213 | ret = try_grab_page(page, flags);
| ^~~~~~~~~~~~~
| try_get_page
--
Thanks,
Sasha
next prev parent reply other threads:[~2024-08-08 0:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-06 19:30 [v6.6-stable PATCH] mm: gup: stop abusing try_grab_folio Yang Shi
2024-08-06 19:30 ` [v6.9-stable " Yang Shi
2024-08-08 0:59 ` Sasha Levin [this message]
2024-08-08 18:26 ` [v6.6-stable " Yang Shi
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