From: Aneesh Kumar K.V aneesh.kumar@linux.ibm.com
[ Upstream commit dc4875f0e791de554bdc45aa1dbd6e45e107e50f ]
No functional change in this patch.
[aneesh.kumar@linux.ibm.com: m68k build error reported by kernel robot] Link: https://lkml.kernel.org/r/87tulxnb2v.fsf@linux.ibm.com
Link: https://lkml.kernel.org/r/20210615110859.320299-2-aneesh.kumar@linux.ibm.com Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9... Signed-off-by: Aneesh Kumar K.V aneesh.kumar@linux.ibm.com Cc: Christophe Leroy christophe.leroy@csgroup.eu Cc: Hugh Dickins hughd@google.com Cc: Joel Fernandes joel@joelfernandes.org Cc: Kalesh Singh kaleshsingh@google.com Cc: Kirill A. Shutemov kirill.shutemov@linux.intel.com Cc: Michael Ellerman mpe@ellerman.id.au Cc: Nicholas Piggin npiggin@gmail.com Cc: Stephen Rothwell sfr@canb.auug.org.au Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Stable-dep-of: 0da90af431ab ("powerpc/book3s64/mm: Fix DirectMap stats in /proc/meminfo") Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm64/include/asm/pgtable.h | 4 ++-- arch/ia64/include/asm/pgtable.h | 2 +- arch/mips/include/asm/pgtable-64.h | 4 ++-- arch/powerpc/include/asm/book3s/64/pgtable.h | 5 ++++- arch/powerpc/include/asm/nohash/64/pgtable-4k.h | 6 +++++- arch/powerpc/mm/book3s64/radix_pgtable.c | 2 +- arch/powerpc/mm/pgtable_64.c | 2 +- arch/sparc/include/asm/pgtable_64.h | 4 ++-- arch/x86/include/asm/pgtable.h | 4 ++-- arch/x86/mm/init_64.c | 4 ++-- include/asm-generic/pgtable-nop4d.h | 2 +- include/asm-generic/pgtable-nopud.h | 2 +- include/linux/pgtable.h | 2 +- 13 files changed, 25 insertions(+), 18 deletions(-)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 3635d48ada17d..4eedfd784cf63 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -694,9 +694,9 @@ static inline phys_addr_t p4d_page_paddr(p4d_t p4d) return __p4d_to_phys(p4d); }
-static inline unsigned long p4d_page_vaddr(p4d_t p4d) +static inline pud_t *p4d_pgtable(p4d_t p4d) { - return (unsigned long)__va(p4d_page_paddr(p4d)); + return (pud_t *)__va(p4d_page_paddr(p4d)); }
/* Find an entry in the frst-level page table. */ diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h index fd92792d148b4..6e5c387566573 100644 --- a/arch/ia64/include/asm/pgtable.h +++ b/arch/ia64/include/asm/pgtable.h @@ -287,7 +287,7 @@ extern unsigned long VMALLOC_END; #define p4d_bad(p4d) (!ia64_phys_addr_valid(p4d_val(p4d))) #define p4d_present(p4d) (p4d_val(p4d) != 0UL) #define p4d_clear(p4dp) (p4d_val(*(p4dp)) = 0UL) -#define p4d_page_vaddr(p4d) ((unsigned long) __va(p4d_val(p4d) & _PFN_MASK)) +#define p4d_pgtable(p4d) ((pud_t *) __va(p4d_val(p4d) & _PFN_MASK)) #define p4d_page(p4d) virt_to_page((p4d_val(p4d) + PAGE_OFFSET)) #endif
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index ab305453e90f8..b865edff2670e 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -210,9 +210,9 @@ static inline void p4d_clear(p4d_t *p4dp) p4d_val(*p4dp) = (unsigned long)invalid_pud_table; }
-static inline unsigned long p4d_page_vaddr(p4d_t p4d) +static inline pud_t *p4d_pgtable(p4d_t p4d) { - return p4d_val(p4d); + return (pud_t *)p4d_val(p4d); }
#define p4d_phys(p4d) virt_to_phys((void *)p4d_val(p4d)) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 5ebf6450f6dad..2b4af824bdc55 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -1030,7 +1030,10 @@ extern struct page *p4d_page(p4d_t p4d); /* Pointers in the page table tree are physical addresses */ #define __pgtable_ptr_val(ptr) __pa(ptr)
-#define p4d_page_vaddr(p4d) __va(p4d_val(p4d) & ~P4D_MASKED_BITS) +static inline pud_t *p4d_pgtable(p4d_t p4d) +{ + return (pud_t *)__va(p4d_val(p4d) & ~P4D_MASKED_BITS); +}
static inline pmd_t *pud_pgtable(pud_t pud) { diff --git a/arch/powerpc/include/asm/nohash/64/pgtable-4k.h b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h index fe2f4c9acd9ed..10f5cf444d72a 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable-4k.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h @@ -56,10 +56,14 @@ #define p4d_none(p4d) (!p4d_val(p4d)) #define p4d_bad(p4d) (p4d_val(p4d) == 0) #define p4d_present(p4d) (p4d_val(p4d) != 0) -#define p4d_page_vaddr(p4d) (p4d_val(p4d) & ~P4D_MASKED_BITS)
#ifndef __ASSEMBLY__
+static inline pud_t *p4d_pgtable(p4d_t p4d) +{ + return (pud_t *) (p4d_val(p4d) & ~P4D_MASKED_BITS); +} + static inline void p4d_clear(p4d_t *p4dp) { *p4dp = __p4d(0); diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index 605c770dd8191..44239e0acf8ea 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -898,7 +898,7 @@ static void __meminit remove_pagetable(unsigned long start, unsigned long end) continue; }
- pud_base = (pud_t *)p4d_page_vaddr(*p4d); + pud_base = p4d_pgtable(*p4d); remove_pud_table(pud_base, addr, next); free_pud_table(pud_base, p4d); } diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index bd0d903196d98..175aabf101e87 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -106,7 +106,7 @@ struct page *p4d_page(p4d_t p4d) VM_WARN_ON(!p4d_huge(p4d)); return pte_page(p4d_pte(p4d)); } - return virt_to_page(p4d_page_vaddr(p4d)); + return virt_to_page(p4d_pgtable(p4d)); } #endif
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index cac02ac301f13..5a1efd600f770 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -860,8 +860,8 @@ static inline pmd_t *pud_pgtable(pud_t pud) #define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL) #define pud_present(pud) (pud_val(pud) != 0U) #define pud_clear(pudp) (pud_val(*(pudp)) = 0UL) -#define p4d_page_vaddr(p4d) \ - ((unsigned long) __va(p4d_val(p4d))) +#define p4d_pgtable(p4d) \ + ((pud_t *) __va(p4d_val(p4d))) #define p4d_present(p4d) (p4d_val(p4d) != 0U) #define p4d_clear(p4dp) (p4d_val(*(p4dp)) = 0UL)
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index a90f6d02fb961..9bacde3ff514a 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -906,9 +906,9 @@ static inline int p4d_present(p4d_t p4d) return p4d_flags(p4d) & _PAGE_PRESENT; }
-static inline unsigned long p4d_page_vaddr(p4d_t p4d) +static inline pud_t *p4d_pgtable(p4d_t p4d) { - return (unsigned long)__va(p4d_val(p4d) & p4d_pfn_mask(p4d)); + return (pud_t *)__va(p4d_val(p4d) & p4d_pfn_mask(p4d)); }
/* diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 20951ab522a1d..acf4e50c5988b 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -193,8 +193,8 @@ static void sync_global_pgds_l4(unsigned long start, unsigned long end) spin_lock(pgt_lock);
if (!p4d_none(*p4d_ref) && !p4d_none(*p4d)) - BUG_ON(p4d_page_vaddr(*p4d) - != p4d_page_vaddr(*p4d_ref)); + BUG_ON(p4d_pgtable(*p4d) + != p4d_pgtable(*p4d_ref));
if (p4d_none(*p4d)) set_p4d(p4d, *p4d_ref); diff --git a/include/asm-generic/pgtable-nop4d.h b/include/asm-generic/pgtable-nop4d.h index ce2cbb3c380ff..2f1d0aad645cf 100644 --- a/include/asm-generic/pgtable-nop4d.h +++ b/include/asm-generic/pgtable-nop4d.h @@ -42,7 +42,7 @@ static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) #define __p4d(x) ((p4d_t) { __pgd(x) })
#define pgd_page(pgd) (p4d_page((p4d_t){ pgd })) -#define pgd_page_vaddr(pgd) (p4d_page_vaddr((p4d_t){ pgd })) +#define pgd_page_vaddr(pgd) ((unsigned long)(p4d_pgtable((p4d_t){ pgd })))
/* * allocating and freeing a p4d is trivial: the 1-entry p4d is diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h index 7cbd15f70bf55..eb70c6d7ceff2 100644 --- a/include/asm-generic/pgtable-nopud.h +++ b/include/asm-generic/pgtable-nopud.h @@ -49,7 +49,7 @@ static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) #define __pud(x) ((pud_t) { __p4d(x) })
#define p4d_page(p4d) (pud_page((pud_t){ p4d })) -#define p4d_page_vaddr(p4d) (pud_pgtable((pud_t){ p4d })) +#define p4d_pgtable(p4d) ((pud_t *)(pud_pgtable((pud_t){ p4d })))
/* * allocating and freeing a pud is trivial: the 1-entry pud is diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index f8570799bc263..f924468d84ec4 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -97,7 +97,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) #ifndef pud_offset static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) { - return (pud_t *)p4d_page_vaddr(*p4d) + pud_index(address); + return p4d_pgtable(*p4d) + pud_index(address); } #define pud_offset pud_offset #endif