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authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2021-07-07 18:09:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-08 11:48:22 -0700
commit9cf6fa2458443118b84090aa1bf7a3630b5940e8 (patch)
tree6a23b0bc8ccab18a35b010f7bab2672f479f9881 /arch/powerpc
parent44e8a5e9120bf4fc1ab046b648b0598e6652c36e (diff)
mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *
No functional change in this patch. [aneesh.kumar@linux.ibm.com: fix] Link: https://lkml.kernel.org/r/87wnqtnb60.fsf@linux.ibm.com [sfr@canb.auug.org.au: another fix] Link: https://lkml.kernel.org/r/20210619134410.89559-1-aneesh.kumar@linux.ibm.com Link: https://lkml.kernel.org/r/20210615110859.320299-1-aneesh.kumar@linux.ibm.com Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/ Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> 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>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable.h6
-rw-r--r--arch/powerpc/include/asm/nohash/64/pgtable.h6
-rw-r--r--arch/powerpc/mm/book3s64/radix_pgtable.c4
-rw-r--r--arch/powerpc/mm/pgtable_64.c2
4 files changed, 13 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 4d9941b2fe51..536037017c3e 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1051,9 +1051,13 @@ 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 pud_page_vaddr(pud) __va(pud_val(pud) & ~PUD_MASKED_BITS)
#define p4d_page_vaddr(p4d) __va(p4d_val(p4d) & ~P4D_MASKED_BITS)
+static inline pmd_t *pud_pgtable(pud_t pud)
+{
+ return (pmd_t *)__va(pud_val(pud) & ~PUD_MASKED_BITS);
+}
+
#define pte_ERROR(e) \
pr_err("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
#define pmd_ERROR(e) \
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index 53fbfdfac93d..d081704b13fb 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
@@ -162,7 +162,11 @@ static inline void pud_clear(pud_t *pudp)
#define pud_bad(pud) (!is_kernel_addr(pud_val(pud)) \
|| (pud_val(pud) & PUD_BAD_BITS))
#define pud_present(pud) (pud_val(pud) != 0)
-#define pud_page_vaddr(pud) (pud_val(pud) & ~PUD_MASKED_BITS)
+
+static inline pmd_t *pud_pgtable(pud_t pud)
+{
+ return (pmd_t *)(pud_val(pud) & ~PUD_MASKED_BITS);
+}
extern struct page *pud_page(pud_t pud);
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index 2176a5f70746..54f135b1ee60 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -820,7 +820,7 @@ static void __meminit remove_pud_table(pud_t *pud_start, unsigned long addr,
continue;
}
- pmd_base = (pmd_t *)pud_page_vaddr(*pud);
+ pmd_base = pud_pgtable(*pud);
remove_pmd_table(pmd_base, addr, next);
free_pmd_table(pmd_base, pud);
}
@@ -1105,7 +1105,7 @@ int pud_free_pmd_page(pud_t *pud, unsigned long addr)
pmd_t *pmd;
int i;
- pmd = (pmd_t *)pud_page_vaddr(*pud);
+ pmd = pud_pgtable(*pud);
pud_clear(pud);
flush_tlb_kernel_range(addr, addr + PUD_SIZE);
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index cc6e2f94517f..4ba311808bdb 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -115,7 +115,7 @@ struct page *pud_page(pud_t pud)
VM_WARN_ON(!pud_huge(pud));
return pte_page(pud_pte(pud));
}
- return virt_to_page(pud_page_vaddr(pud));
+ return virt_to_page(pud_pgtable(pud));
}
/*