From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
npiggin@gmail.com, paulus@samba.org
Cc: linuxppc-dev@lists.ozlabs.org,
Oliver O'Halloran <oohall@gmail.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: Re: [PATCH v2] powerpc/mm/nvdimm: Add an informative message if we fail to allocate altmap block
Date: Mon, 8 Jul 2019 11:19:44 +1000 (AEST) [thread overview]
Message-ID: <45hng44xwMz9sP7@ozlabs.org> (raw)
In-Reply-To: <20190701143338.16824-1-aneesh.kumar@linux.ibm.com>
On Mon, 2019-07-01 at 14:33:38 UTC, "Aneesh Kumar K.V" wrote:
> Allocation from altmap area can fail based on vmemmap page size used. Add kernel
> info message to indicate the failure. That allows the user to identify whether they
> are really using persistent memory reserved space for per-page metadata.
>
> The message looks like:
> [ 136.587212] altmap block allocation failed, falling back to system memory
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
> Reviewed-by: Oliver O'Halloran <oohall@gmail.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/c0b1b23b9c87569d5f90d06e86f26b31b544fa1e
cheers
prev parent reply other threads:[~2019-07-08 2:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-01 14:33 [PATCH v2] powerpc/mm/nvdimm: Add an informative message if we fail to allocate altmap block Aneesh Kumar K.V
2019-07-03 1:53 ` Oliver O'Halloran
2019-07-08 1:19 ` Michael Ellerman [this message]
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