hugetlb: new sysfs interface

[firefly-linux-kernel-4.4.55.git] / include / linux / hugetlb.h

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index ba9263e631b9b356ac1cf70afb50c6aaa2a96701..58c0de32e7f0099882bf7611c13847acc8ef3b6f 100644 (file)
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -164,6 +164,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 
 #ifdef CONFIG_HUGETLB_PAGE
 
+#define HSTATE_NAME_LEN 32
 /* Defines one hugetlb page size */
 struct hstate {
        int hugetlb_next_nid;
@@ -179,6 +180,7 @@ struct hstate {
        unsigned int nr_huge_pages_node[MAX_NUMNODES];
        unsigned int free_huge_pages_node[MAX_NUMNODES];
        unsigned int surplus_huge_pages_node[MAX_NUMNODES];
+       char name[HSTATE_NAME_LEN];
 };
 
 void __init hugetlb_add_hstate(unsigned order);