[RFC PATCH v2 1/3] capability: Move mk_kernel_cap() to header

[Bradley Morgan]

On 29 September 2026 14:01:58 BST, Jinjie Ruan <ruanjinjie at huawei.com>
wrote:
>Move mk_kernel_cap() from capability.c to the capability header file
>so that it can be reused by other security modules.
>

Fair enoughh

Reviewed-by: Bradley Morgan <brads at mainlining.org>


>No functional change.
>
>Signed-off-by: Jinjie Ruan <ruanjinjie at huawei.com>
>---
> include/linux/capability.h | 5 +++++
> kernel/capability.c        | 5 -----
> 2 files changed, 5 insertions(+), 5 deletions(-)
>
>diff --git a/include/linux/capability.h b/include/linux/capability.h
>index f8532d92fcad..7921a0b3b04a 100644
>--- a/include/linux/capability.h
>+++ b/include/linux/capability.h
>@@ -114,6 +114,11 @@ static inline bool cap_issubset(const kernel_cap_t a, const kernel_cap_t set)
> 	return !(a.val & ~set.val);
> }
> 
>+static inline kernel_cap_t mk_kernel_cap(u32 low, u32 high)
>+{
>+	return (kernel_cap_t) { (low | ((u64)high << 32)) & CAP_VALID_MASK };
>+}
>+
> /* Used to decide between falling back on the old suser() or fsuser(). */
> 
> static inline kernel_cap_t cap_drop_fs_set(const kernel_cap_t a)
>diff --git a/kernel/capability.c b/kernel/capability.c
>index 90e6ab62f6db..0b8ec26ead0e 100644
>--- a/kernel/capability.c
>+++ b/kernel/capability.c
>@@ -190,11 +190,6 @@ SYSCALL_DEFINE2(capget, cap_user_header_t, header, cap_user_data_t, dataptr)
> 	return 0;
> }
> 
>-static kernel_cap_t mk_kernel_cap(u32 low, u32 high)
>-{
>-	return (kernel_cap_t) { (low | ((u64)high << 32)) & CAP_VALID_MASK };
>-}
>-
> /**
>  * sys_capset - set capabilities for a process or (*) a group of processes
>  * @header: pointer to struct that contains capability version and
>

--- Thanks!
"I'm not a very positive person" - Linus torvalds