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linux/arch/riscv
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Peter Xu 35a76f5c08 mm/arch: provide pud_pfn() fallback 
The comment in the code explains the reasons.  We took a different
approach comparing to pmd_pfn() by providing a fallback function.

Another option is to provide some lower level config options (compare to
HUGETLB_PAGE or THP) to identify which layer an arch can support for such
huge mappings.  However that can be an overkill.

[peterx@redhat.com: fix loongson defconfig]
  Link: https://lkml.kernel.org/r/20240403013249.1418299-4-peterx@redhat.com
Link: https://lkml.kernel.org/r/20240327152332.950956-6-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Tested-by: Ryan Roberts <ryan.roberts@arm.com>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andrew Jones <andrew.jones@linux.dev>
Cc: Aneesh Kumar K.V (IBM) <aneesh.kumar@kernel.org>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: James Houghton <jthoughton@google.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Rik van Riel <riel@surriel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-25 20:56:21 -07:00
..
boot RISC-V Patches for the 6.9 Merge Window 2024-03-22 10:41:13 -07:00
configs RISC-V Patches for the 6.9 Merge Window 2024-03-22 10:41:13 -07:00
crypto crypto: riscv - add vector crypto accelerated AES-CBC-CTS 2024-03-20 08:56:11 -07:00
errata riscv: errata: Rename defines for Andes 2024-03-12 07:13:12 -07:00
include mm/arch: provide pud_pfn() fallback 2024-04-25 20:56:21 -07:00
kernel fix missing vmalloc.h includes 2024-04-25 20:55:49 -07:00
kvm RISC-V: KVM: Fix APLIC in_clrip[x] read emulation 2024-03-26 09:40:55 +05:30
lib RISC-V Patches for the 6.9 Merge Window 2024-03-22 10:41:13 -07:00
mm mm/treewide: remove pXd_huge() 2024-04-25 20:55:47 -07:00
net riscv, bpf: Fix kfunc parameters incompatibility between bpf and riscv abi 2024-03-25 11:39:31 -07:00
purgatory riscv: Use SYM_*() assembly macros instead of deprecated ones 2023-11-06 09:42:47 -08:00
tools riscv: Check relocations at compile time 2023-04-19 07:46:32 -07:00
Kbuild RISC-V: hook new crypto subdir into build-system 2024-01-22 17:55:17 -08:00
Kconfig RISC-V Patches for the 6.9 Merge Window 2024-03-22 10:41:13 -07:00
Kconfig.debug riscv: Add tests for riscv module loading 2023-11-07 14:59:32 -08:00
Kconfig.errata RISC-V Patches for the 6.8 Merge Window, Part 4 2024-01-20 11:06:04 -08:00
Kconfig.socs riscv: dts: Move BUILTIN_DTB_SOURCE to common Kconfig 2024-03-06 00:08:32 +00:00
Makefile riscv: compat_vdso: install compat_vdso.so.dbg to /lib/modules/*/vdso/ 2024-03-26 14:08:02 -07:00
Makefile.postlink kbuild: remove ARCH_POSTLINK from module builds 2023-10-28 21:10:08 +09:00