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-rw-r--r--include/linux/kfence.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/kfence.h b/include/linux/kfence.h
index 5a56bcf5606c..a70d1ea03532 100644
--- a/include/linux/kfence.h
+++ b/include/linux/kfence.h
@@ -186,6 +186,7 @@ static __always_inline __must_check bool kfence_free(void *addr)
/**
* kfence_handle_page_fault() - perform page fault handling for KFENCE pages
* @addr: faulting address
+ * @is_write: is access a write
* @regs: current struct pt_regs (can be NULL, but shows full stack trace)
*
* Return:
@@ -197,7 +198,7 @@ static __always_inline __must_check bool kfence_free(void *addr)
* cases KFENCE prints an error message and marks the offending page as
* present, so that the kernel can proceed.
*/
-bool __must_check kfence_handle_page_fault(unsigned long addr, struct pt_regs *regs);
+bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write, struct pt_regs *regs);
#else /* CONFIG_KFENCE */
@@ -210,7 +211,11 @@ static inline size_t kfence_ksize(const void *addr) { return 0; }
static inline void *kfence_object_start(const void *addr) { return NULL; }
static inline void __kfence_free(void *addr) { }
static inline bool __must_check kfence_free(void *addr) { return false; }
-static inline bool __must_check kfence_handle_page_fault(unsigned long addr, struct pt_regs *regs) { return false; }
+static inline bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write,
+ struct pt_regs *regs)
+{
+ return false;
+}
#endif