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authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2021-07-07 18:09:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-08 11:48:22 -0700
commitdc4875f0e791de554bdc45aa1dbd6e45e107e50f (patch)
tree5abc72266d87af82de3a267283fe1328de644081 /arch/powerpc
parent9cf6fa2458443118b84090aa1bf7a3630b5940e8 (diff)
downloadlinux-dc4875f0e791de554bdc45aa1dbd6e45e107e50f.tar.bz2
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
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+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/ 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>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable.h5
-rw-r--r--arch/powerpc/include/asm/nohash/64/pgtable-4k.h6
-rw-r--r--arch/powerpc/mm/book3s64/radix_pgtable.c2
-rw-r--r--arch/powerpc/mm/pgtable_64.c2
4 files changed, 11 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 536037017c3e..5d34a8646f08 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1051,7 +1051,10 @@ 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 fe2f4c9acd9e..10f5cf444d72 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 54f135b1ee60..e50ddf129c15 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -854,7 +854,7 @@ 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 4ba311808bdb..78c8cf01db5f 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -105,7 +105,7 @@ 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