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authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2021-07-08 03:09:53 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-08 20:48:22 +0200
commit9cf6fa2458443118b84090aa1bf7a3630b5940e8 (patch)
tree6a23b0bc8ccab18a35b010f7bab2672f479f9881 /arch/alpha
parentkdump: use vmlinux_build_id to simplify (diff)
downloadlinux-9cf6fa2458443118b84090aa1bf7a3630b5940e8.tar.xz
linux-9cf6fa2458443118b84090aa1bf7a3630b5940e8.zip
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/alpha')
-rw-r--r--arch/alpha/include/asm/pgtable.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index ff690846465e..02f0429f1068 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -236,8 +236,10 @@ pmd_page_vaddr(pmd_t pmd)
#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> 32))
#define pud_page(pud) (pfn_to_page(pud_val(pud) >> 32))
-extern inline unsigned long pud_page_vaddr(pud_t pgd)
-{ return PAGE_OFFSET + ((pud_val(pgd) & _PFN_MASK) >> (32-PAGE_SHIFT)); }
+extern inline pmd_t *pud_pgtable(pud_t pgd)
+{
+ return (pmd_t *)(PAGE_OFFSET + ((pud_val(pgd) & _PFN_MASK) >> (32-PAGE_SHIFT)));
+}
extern inline int pte_none(pte_t pte) { return !pte_val(pte); }
extern inline int pte_present(pte_t pte) { return pte_val(pte) & _PAGE_VALID; }
@@ -287,7 +289,7 @@ extern inline pte_t pte_mkyoung(pte_t pte) { pte_val(pte) |= __ACCESS_BITS; retu
/* Find an entry in the second-level page table.. */
extern inline pmd_t * pmd_offset(pud_t * dir, unsigned long address)
{
- pmd_t *ret = (pmd_t *) pud_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
+ pmd_t *ret = pud_pgtable(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
smp_rmb(); /* see above */
return ret;
}