diff options
Diffstat (limited to 'include/asm-generic/pgtable.h')
| -rw-r--r-- | include/asm-generic/pgtable.h | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index f387ed12c..c370b261c 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -601,25 +601,12 @@ extern void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn, extern void untrack_pfn_moved(struct vm_area_struct *vma); #endif -#ifdef CONFIG_UKSM -static inline int is_uksm_zero_pfn(unsigned long pfn) -{ - extern unsigned long uksm_zero_pfn; - return pfn == uksm_zero_pfn; -} -#else -static inline int is_uksm_zero_pfn(unsigned long pfn) -{ - return 0; -} -#endif - #ifdef __HAVE_COLOR_ZERO_PAGE static inline int is_zero_pfn(unsigned long pfn) { extern unsigned long zero_pfn; unsigned long offset_from_zero_pfn = pfn - zero_pfn; - return offset_from_zero_pfn <= (zero_page_mask >> PAGE_SHIFT) || is_uksm_zero_pfn(pfn); + return offset_from_zero_pfn <= (zero_page_mask >> PAGE_SHIFT); } #define my_zero_pfn(addr) page_to_pfn(ZERO_PAGE(addr)) @@ -628,7 +615,7 @@ static inline int is_zero_pfn(unsigned long pfn) static inline int is_zero_pfn(unsigned long pfn) { extern unsigned long zero_pfn; - return (pfn == zero_pfn) || (is_uksm_zero_pfn(pfn)); + return pfn == zero_pfn; } static inline unsigned long my_zero_pfn(unsigned long addr) |