From f7feea289f9ae3a8fb56e9daa3832949bf742c53 Mon Sep 17 00:00:00 2001 From: "Mike Rapoport (Microsoft)" Date: Wed, 7 Aug 2024 09:41:06 +0300 Subject: [PATCH] mm: numa_memblks: use memblock_{start,end}_of_DRAM() when sanitizing meminfo numa_cleanup_meminfo() moves blocks outside system RAM to numa_reserved_meminfo and it uses 0 and PFN_PHYS(max_pfn) to determine the memory boundaries. Replace the memory range boundaries with more portable memblock_start_of_DRAM() and memblock_end_of_DRAM(). Link: https://lkml.kernel.org/r/20240807064110.1003856-23-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) Tested-by: Zi Yan # for x86_64 and arm64 Reviewed-by: Jonathan Cameron Tested-by: Jonathan Cameron [arm64 + CXL via QEMU] Acked-by: Dan Williams Acked-by: David Hildenbrand Cc: Alexander Gordeev Cc: Andreas Larsson Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Catalin Marinas Cc: Christophe Leroy Cc: Dave Hansen Cc: Davidlohr Bueso Cc: David S. Miller Cc: Greg Kroah-Hartman Cc: Heiko Carstens Cc: Huacai Chen Cc: Ingo Molnar Cc: Jiaxun Yang Cc: John Paul Adrian Glaubitz Cc: Jonathan Corbet Cc: Michael Ellerman Cc: Palmer Dabbelt Cc: Rafael J. Wysocki Cc: Rob Herring (Arm) Cc: Samuel Holland Cc: Thomas Bogendoerfer Cc: Thomas Gleixner Cc: Vasily Gorbik Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/numa_memblks.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/numa_memblks.c b/mm/numa_memblks.c index e97665a5e8ce..e4358ad92233 100644 --- a/mm/numa_memblks.c +++ b/mm/numa_memblks.c @@ -212,8 +212,8 @@ int __init numa_add_memblk(int nid, u64 start, u64 end) */ int __init numa_cleanup_meminfo(struct numa_meminfo *mi) { - const u64 low = 0; - const u64 high = PFN_PHYS(max_pfn); + const u64 low = memblock_start_of_DRAM(); + const u64 high = memblock_end_of_DRAM(); int i, j, k; /* first, trim all entries */ -- 2.20.1