Messages in this thread | | | Date | Thu, 29 May 2014 09:01:52 +0100 | From | Will Deacon <> | Subject | Re: [PATCH RESEND] ARM: kdump: 2nd kernel should use strict pfn_valid in SPARSEMEM platform |
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On Thu, May 29, 2014 at 05:54:02AM +0100, AKASHI Takahiro wrote: > Catalin, Will > > Can we assume that HAVE_ARCH_PFN_VALID is alway yes on arm64? > Looking at arm64/Kconfig, > config ARCH_HAS_HOLES_MEMORYMODEL > def_bool y if SPARSEMEM > ... > config HAVE_ARCH_PFN_VALID > def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM > > is this intentional?
Looks like an artifact of the way we constructed those option, so yes, we could just make that a def_bool y if you like.
Will
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