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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2015-06-24 16:57:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-06-24 17:49:44 -0700
commit8809aa2d28d74111ff2f1928edaa4e9845c97a7d (patch)
treef99977c0135ee38e8d7f1cea575cb2b9b7f3b669 /arch/sparc
parentf28b6ff8c3d48af21354ef30164c8ccea69d5928 (diff)
downloadlinux-8809aa2d28d74111ff2f1928edaa4e9845c97a7d.tar.bz2
mm: clarify that the function operates on hugepage pte
We have confusing functions to clear pmd, pmd_clear_* and pmd_clear. Add _huge_ to pmdp_clear functions so that we are clear that they operate on hugepage pte. We don't bother about other functions like pmdp_set_wrprotect, pmdp_clear_flush_young, because they operate on PTE bits and hence indicate they are operating on hugepage ptes Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/pgtable_64.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 2a52c91d2c8a..131d36fcd07a 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -865,10 +865,10 @@ static inline unsigned long pud_pfn(pud_t pud)
void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr,
pte_t *ptep, pte_t orig, int fullmm);
-#define __HAVE_ARCH_PMDP_GET_AND_CLEAR
-static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm,
- unsigned long addr,
- pmd_t *pmdp)
+#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR
+static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
+ unsigned long addr,
+ pmd_t *pmdp)
{
pmd_t pmd = *pmdp;
set_pmd_at(mm, addr, pmdp, __pmd(0UL));