The patch titled
Subject: mm: remove pud_user() from asm-generic/pgtable-nopmd.h
has been added to the -mm mm-unstable branch. Its filename is
mm-remove-pud_user-from-asm-generic-pgtable-nopmdh.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-pud_user-from-asm-generic-pgtable-nopmdh.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Subject: mm: remove pud_user() from asm-generic/pgtable-nopmd.h
Date: Wed, 10 Jul 2024 09:51:21 +0200
Commit 2c8a81dc0cc5 ("riscv/mm: fix two page table check related issues")
added pud_user() in include/asm-generic/pgtable-nopmd.h
But pud_user() only exists on ARM64 and RISCV and is not expected by any
part of MM.
Add the missing definition in arch/riscv/include/asm/pgtable-32.h and
remove it from asm-generic/pgtable-nopmd.h
Link: https://lkml.kernel.org/r/c31a39463929daba6c91917598ec05cf47103af5.1720597744.git.christophe.leroy@xxxxxxxxxx
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/riscv/include/asm/pgtable-32.h | 5 +++++
include/asm-generic/pgtable-nopmd.h | 1 -
2 files changed, 5 insertions(+), 1 deletion(-)
--- a/arch/riscv/include/asm/pgtable-32.h~mm-remove-pud_user-from-asm-generic-pgtable-nopmdh
+++ a/arch/riscv/include/asm/pgtable-32.h
@@ -36,4 +36,9 @@
static const __maybe_unused int pgtable_l4_enabled;
static const __maybe_unused int pgtable_l5_enabled;
+static inline int pud_user(pud_t pud)
+{
+ return 0;
+}
+
#endif /* _ASM_RISCV_PGTABLE_32_H */
--- a/include/asm-generic/pgtable-nopmd.h~mm-remove-pud_user-from-asm-generic-pgtable-nopmdh
+++ a/include/asm-generic/pgtable-nopmd.h
@@ -30,7 +30,6 @@ typedef struct { pud_t pud; } pmd_t;
static inline int pud_none(pud_t pud) { return 0; }
static inline int pud_bad(pud_t pud) { return 0; }
static inline int pud_present(pud_t pud) { return 1; }
-static inline int pud_user(pud_t pud) { return 0; }
static inline int pud_leaf(pud_t pud) { return 0; }
static inline void pud_clear(pud_t *pud) { }
#define pmd_ERROR(pmd) (pud_ERROR((pmd).pud))
_
Patches currently in -mm which might be from christophe.leroy@xxxxxxxxxx are
mm-define-__pte_leaf_size-to-also-take-a-pmd-entry.patch
mm-provide-mm_struct-and-address-to-huge_ptep_get.patch
powerpc-mm-remove-_page_psize.patch
powerpc-mm-fix-__find_linux_pte-on-32-bits-with-pmd-leaf-entries.patch
powerpc-mm-allow-hugepages-without-hugepd.patch
powerpc-8xx-fix-size-given-to-set_huge_pte_at.patch
powerpc-8xx-rework-support-for-8m-pages-using-contiguous-pte-entries.patch
powerpc-8xx-simplify-struct-mmu_psize_def.patch
powerpc-e500-remove-enc-and-ind-fields-from-struct-mmu_psize_def.patch
powerpc-e500-switch-to-64-bits-pgd-on-85xx-32-bits.patch
powerpc-e500-encode-hugepage-size-in-pte-bits.patch
powerpc-e500-dont-pre-check-write-access-on-data-tlb-error.patch
powerpc-e500-free-r10-for-find_pte.patch
powerpc-e500-use-contiguous-pmd-instead-of-hugepd.patch
powerpc-64s-use-contiguous-pmd-pud-instead-of-hugepd.patch
powerpc-mm-remove-hugepd-leftovers.patch
mm-remove-config_arch_has_hugepd.patch
mm-remove-pud_user-from-asm-generic-pgtable-nopmdh.patch
mm-add-pg-4d_leaf-in-asm-generic-pgtable-nop4-udh.patch
