hugetlb_treat_as_movable declared as unsigned long, but
proc_dointvec() used for parsing it:
static struct ctl_table vm_table[] = {
...
{
.procname = "hugepages_treat_as_movable",
.data = &hugepages_treat_as_movable,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
This seems harmless, but it's better to use int type here.
Signed-off-by: Andrey Ryabinin <a.ryabi...@samsung.com>
---
include/linux/hugetlb.h | 2 +-
mm/hugetlb.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 431b7fc..7d78563 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -86,7 +86,7 @@ void free_huge_page(struct page *page);
pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud);
#endif
-extern unsigned long hugepages_treat_as_movable;
+extern int hugepages_treat_as_movable;
extern int sysctl_hugetlb_shm_group;
extern struct list_head huge_boot_pages;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 85032de..be0e5d0 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -35,7 +35,7 @@
#include <linux/node.h>
#include "internal.h"
-unsigned long hugepages_treat_as_movable;
+int hugepages_treat_as_movable;
int hugetlb_max_hstate __read_mostly;
unsigned int default_hstate_idx;
--
2.2.0
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