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This partially reverts commitfa93b45fd3("arm64: Enable vmalloc-huge with ptdump"), retaining vmalloc-huge support but eliminating the now redundant mitigation against a race between huge vmap page table freeing and ptdump, as this issue has now been fixed at core. We also simultaneously remove the arm64 if-deffery when acquiring the mmap read lock upon vmap huge page table promotion as it is no longer required. Note that this patch relies on the preceding vmalloc patch, and should not be backported alone. Link: https://lore.kernel.org/20260723-series-vmap-race-fix-v6-5-8cc77dcc0018@kernel.org Fixes:fa93b45fd3("arm64: Enable vmalloc-huge with ptdump") Signed-off-by: Lorenzo Stoakes (ARM) <ljs@kernel.org> Reviewed-by: Dev Jain <dev.jain@arm.com> Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Acked-by: Kiryl Shutsemau (Meta) <kas@kernel.org> Acked-by: Will Deacon <will@kernel.org> Reviewed-by: David Hildenbrand (Arm) <david@kernel.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: "Borah, Chaitanya Kumar" <chaitanya.kumar.borah@intel.com> Cc: "Borislav Petkov (AMD)" <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Carlier <devnexen@gmail.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Liam R. Howlett <liam@infradead.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shakeel Butt <shakeel.butt@linux.dev> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Toshi Kani <toshi.kani@hpe.com> Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com> Cc: Vlastimil Babka <vbabka@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>