mm: thp: remove debug_cow switch

[linux-2.6-microblaze.git] / mm / huge_memory.c

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 863c495..2ccff84 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -303,24 +303,6 @@ static ssize_t hpage_pmd_size_show(struct kobject *kobj,
 static struct kobj_attribute hpage_pmd_size_attr =
        __ATTR_RO(hpage_pmd_size);
 
-#ifdef CONFIG_DEBUG_VM
-static ssize_t debug_cow_show(struct kobject *kobj,
-                               struct kobj_attribute *attr, char *buf)
-{
-       return single_hugepage_flag_show(kobj, attr, buf,
-                               TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG);
-}
-static ssize_t debug_cow_store(struct kobject *kobj,
-                              struct kobj_attribute *attr,
-                              const char *buf, size_t count)
-{
-       return single_hugepage_flag_store(kobj, attr, buf, count,
-                                TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG);
-}
-static struct kobj_attribute debug_cow_attr =
-       __ATTR(debug_cow, 0644, debug_cow_show, debug_cow_store);
-#endif /* CONFIG_DEBUG_VM */
-
 static struct attribute *hugepage_attr[] = {
        &enabled_attr.attr,
        &defrag_attr.attr,
@@ -328,9 +310,6 @@ static struct attribute *hugepage_attr[] = {
        &hpage_pmd_size_attr.attr,
 #ifdef CONFIG_SHMEM
        &shmem_enabled_attr.attr,
-#endif
-#ifdef CONFIG_DEBUG_VM
-       &debug_cow_attr.attr,
 #endif
        NULL,
 };