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-rw-r--r--arch/powerpc/mm/hugetlbpage.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 426c269e552e..f867bba893ca 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -287,15 +287,15 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
287 287
288int prepare_hugepage_range(unsigned long addr, unsigned long len) 288int prepare_hugepage_range(unsigned long addr, unsigned long len)
289{ 289{
290 int err; 290 int err = 0;
291 291
292 if ( (addr+len) < addr ) 292 if ( (addr+len) < addr )
293 return -EINVAL; 293 return -EINVAL;
294 294
295 if ((addr + len) < 0x100000000UL) 295 if (addr < 0x100000000UL)
296 err = open_low_hpage_areas(current->mm, 296 err = open_low_hpage_areas(current->mm,
297 LOW_ESID_MASK(addr, len)); 297 LOW_ESID_MASK(addr, len));
298 else 298 if ((addr + len) >= 0x100000000UL)
299 err = open_high_hpage_areas(current->mm, 299 err = open_high_hpage_areas(current->mm,
300 HTLB_AREA_MASK(addr, len)); 300 HTLB_AREA_MASK(addr, len));
301 if (err) { 301 if (err) {
@@ -754,9 +754,7 @@ repeat:
754 } 754 }
755 755
756 /* 756 /*
757 * No need to use ldarx/stdcx here because all who 757 * No need to use ldarx/stdcx here
758 * might be updating the pte will hold the
759 * page_table_lock
760 */ 758 */
761 *ptep = __pte(new_pte & ~_PAGE_BUSY); 759 *ptep = __pte(new_pte & ~_PAGE_BUSY);
762 760