Loading arch/s390/mm/pgtable.c +7 −10 Original line number Diff line number Diff line Loading @@ -314,21 +314,18 @@ int s390_enable_sie(void) } EXPORT_SYMBOL_GPL(s390_enable_sie); #ifdef CONFIG_DEBUG_PAGEALLOC #ifdef CONFIG_HIBERNATION #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("lra %1,0(%1)\n" asm volatile( " lra %1,0(%1)\n" " ipm %0\n" " srl %0,28" : "=d" (cc), "+a" (addr) : : "cc"); return cc == 0; } #endif /* CONFIG_HIBERNATION */ #endif /* CONFIG_DEBUG_PAGEALLOC */ #endif /* CONFIG_HIBERNATION && CONFIG_DEBUG_PAGEALLOC */ Loading
arch/s390/mm/pgtable.c +7 −10 Original line number Diff line number Diff line Loading @@ -314,21 +314,18 @@ int s390_enable_sie(void) } EXPORT_SYMBOL_GPL(s390_enable_sie); #ifdef CONFIG_DEBUG_PAGEALLOC #ifdef CONFIG_HIBERNATION #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("lra %1,0(%1)\n" asm volatile( " lra %1,0(%1)\n" " ipm %0\n" " srl %0,28" : "=d" (cc), "+a" (addr) : : "cc"); return cc == 0; } #endif /* CONFIG_HIBERNATION */ #endif /* CONFIG_DEBUG_PAGEALLOC */ #endif /* CONFIG_HIBERNATION && CONFIG_DEBUG_PAGEALLOC */