[PATCH v2] ppc64/kdump: Limit kdump base to 512MB

Michael Ellerman patch-notifications at ellerman.id.au
Wed Oct 5 00:25:23 AEDT 2022


On Mon, 12 Sep 2022 12:20:31 +0530, Hari Bathini wrote:
> Since commit e641eb03ab2b0 ("powerpc: Fix up the kdump base cap to
> 128M") memory for kdump kernel has been reserved at an offset of
> 128MB. This held up well for a long time before running into boot
> failure on LPARs having a lot of cores. Commit 7c5ed82b800d8
> ("powerpc: Set crashkernel offset to mid of RMA region") fixed this
> boot failure by moving the offset to mid of RMA region. This change
> meant the offset is either 256MB or 512MB on LPARs as ppc64_rma_size
> was 512MB or 1024MB owing to commit 103a8542cb35b ("powerpc/book3s64/
> radix: Fix boot failure with large amount of guest memory")
> 
> [...]

Applied to powerpc/next.

[1/1] ppc64/kdump: Limit kdump base to 512MB
      https://git.kernel.org/powerpc/c/bd7dc90e52e8db7ee0f38c51bc9047bafb54fe43

cheers


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