[PATCH v2] powerpc/mm/nvdimm: Add an informative message if we fail to allocate altmap block

Michael Ellerman patch-notifications at ellerman.id.au
Mon Jul 8 11:19:44 AEST 2019

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 at linux.ibm.com>
> Reviewed-by: Oliver O'Halloran <oohall at gmail.com>

Applied to powerpc next, thanks.



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