Hi,
On Thu, Mar 09, 2023 at 06:57:13PM +0500, Muhammad Usama Anjum wrote:
Define uffd_wp_range() for the cases when CONFIG_USERFAULTFD isn't set.
Signed-off-by: Muhammad Usama Anjum usama.anjum@collabora.com
include/linux/userfaultfd_k.h | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h index b680c0ec8b85..fd1a1ecdb5f6 100644 --- a/include/linux/userfaultfd_k.h +++ b/include/linux/userfaultfd_k.h @@ -182,6 +182,14 @@ extern int userfaultfd_wp_async(struct vm_area_struct *vma); #else /* CONFIG_USERFAULTFD */ +extern inline long uffd_wp_range(struct mm_struct *dst_mm,
static inline
struct vm_area_struct *vma,unsigned long start, unsigned long len,bool enable_wp)+{
- return 0;
+}
I didn't see uffd_wp_range() defined in the previous patch. Could be a rebase issue?
In any case, the stub should be defined in the same patch as the actual function in order not to break bisectability.
/* mm helpers */ static inline vm_fault_t handle_userfault(struct vm_fault *vmf, unsigned long reason) -- 2.39.2