Re: [PATCH v2] powerpc/mm/nvdimm: Add an informative message if we fail to allocate altmap block
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From: Michael Ellerman <hidden>
Date: 2019-07-08 02:07:57
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 <redacted> Reviewed-by: Oliver O'Halloran <oohall@gmail.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/c0b1b23b9c87569d5f90d06e86f26b31b544fa1e cheers