THP is only supported by hash64 now and for that we should always
have PTE_ATOMIC_UPDATES always set. Drop the unnecessary #ifdef
in the code.
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
arch/powerpc/mm/pgtable_64.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 0e980204c4d5..092c07115612 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -475,7 +475,6 @@ unsigned long pmd_hugepage_update(struct mm_struct *mm,
unsigned long addr,
assert_spin_locked(&mm->page_table_lock);
#endif
-#ifdef PTE_ATOMIC_UPDATES
clr = cpu_to_be64(clr);
set = cpu_to_be64(set);
__asm__ __volatile__(
@@ -491,10 +490,7 @@ unsigned long pmd_hugepage_update(struct mm_struct *mm,
unsigned long addr,
: "cc" );
old = be64_to_cpu(old);
-#else
- old = pmd_val(*pmdp);
- *pmdp = __pmd((old & ~clr) | set);
-#endif
+
trace_hugepage_update(addr, old, clr, set);
if (old & H_PAGE_HASHPTE)
hpte_do_hugepage_flush(mm, addr, pmdp, old);
--
2.5.0
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