From: Jeff Xu <jeffxu@xxxxxxxxxxxx>
No code logic change.
can_do_mseal is called exclusively by mseal.c,
and mseal.c is compiled only when CONFIG_64BIT flag is
set in makefile. Therefore, it is unnecessary to have
32 bit stub function in the header file.
Signed-off-by: Jeff Xu <jeffxu@xxxxxxxxxxxx>
---
mm/internal.h | 16 ----------------
mm/mseal.c | 8 ++++++++
2 files changed, 8 insertions(+), 16 deletions(-)
diff --git a/mm/internal.h b/mm/internal.h
index 74dc1c48fa31..5e4ef5ce9c0a 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1457,22 +1457,6 @@ void __meminit __init_single_page(struct page *page, unsigned long pfn,
unsigned long shrink_slab(gfp_t gfp_mask, int nid, struct mem_cgroup *memcg,
int priority);
-#ifdef CONFIG_64BIT
-static inline int can_do_mseal(unsigned long flags)
-{
- if (flags)
- return -EINVAL;
-
- return 0;
-}
-
-#else
-static inline int can_do_mseal(unsigned long flags)
-{
- return -EPERM;
-}
-#endif
-
#ifdef CONFIG_SHRINKER_DEBUG
static inline __printf(2, 0) int shrinker_debugfs_name_alloc(
struct shrinker *shrinker, const char *fmt, va_list ap)
diff --git a/mm/mseal.c b/mm/mseal.c
index 81d6e980e8a9..e167220a0bf0 100644
--- a/mm/mseal.c
+++ b/mm/mseal.c
@@ -158,6 +158,14 @@ static int apply_mm_seal(unsigned long start, unsigned long end)
return 0;
}
+static inline int can_do_mseal(unsigned long flags)
+{
+ if (flags)
+ return -EINVAL;
+
+ return 0;
+}
+
/*
* mseal(2) seals the VM's meta data from
* selected syscalls.
--
2.47.0.338.g60cca15819-goog
