summaryrefslogtreecommitdiff
path: root/arch/s390/mm/pageattr.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/mm/pageattr.c')
-rw-r--r--arch/s390/mm/pageattr.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c
index f8c6faab41f4..e22c06d5f206 100644
--- a/arch/s390/mm/pageattr.c
+++ b/arch/s390/mm/pageattr.c
@@ -367,20 +367,4 @@ void __kernel_map_pages(struct page *page, int numpages, int enable)
}
}
-#ifdef 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 */
-
#endif /* CONFIG_DEBUG_PAGEALLOC */