diff options
Diffstat (limited to 'arch/s390/mm/pgtable.c')
| -rw-r--r-- | arch/s390/mm/pgtable.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index c8188a18af0..ae44d2a3431 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -881,22 +881,6 @@ int s390_enable_sie(void) } EXPORT_SYMBOL_GPL(s390_enable_sie); -#if defined(CONFIG_DEBUG_PAGEALLOC) && defined(CONFIG_HIBERNATION) -bool kernel_page_present(struct page *page) -{ - unsigned long addr; - int cc; - - addr = page_to_phys(page); - asm volatile( - " lra %1,0(%1)\n" - " ipm %0\n" - " srl %0,28" - : "=d" (cc), "+a" (addr) : : "cc"); - return cc == 0; -} -#endif /* CONFIG_HIBERNATION && CONFIG_DEBUG_PAGEALLOC */ - #ifdef CONFIG_TRANSPARENT_HUGEPAGE int pmdp_clear_flush_young(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp) |