HWPOISON: Turn ref argument into flags argument

Now that "ref" is just a boolean turn it into
a flags argument. First step is only a single flag
that makes the code's intention more clear, but more
may follow.

Signed-off-by: Andi Kleen <ak@linux.intel.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 68c84bb2ad3f..135e19198cd3 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1331,8 +1331,11 @@ extern int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
                                  size_t size);
 extern void refund_locked_memory(struct mm_struct *mm, size_t size);
 
+enum mf_flags {
+        MF_COUNT_INCREASED = 1 << 0,
+};
 extern void memory_failure(unsigned long pfn, int trapno);
-extern int __memory_failure(unsigned long pfn, int trapno, int ref);
+extern int __memory_failure(unsigned long pfn, int trapno, int flags);
 extern int sysctl_memory_failure_early_kill;
 extern int sysctl_memory_failure_recovery;
 extern void shake_page(struct page *p);