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[V3,1/6] userfault: add pid into uffd_msg & update UFFD_FEATURE_*

Message ID 1493183181-21962-2-git-send-email-a.perevalov@samsung.com
State New
Headers show

Commit Message

Alexey Perevalov April 26, 2017, 5:06 a.m. UTC 
This commit duplicates header of "userfaultfd: provide pid in userfault msg"
into linux kernel.

Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com>
---
 linux-headers/linux/userfaultfd.h | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/linux-headers/linux/userfaultfd.h b/linux-headers/linux/userfaultfd.h
index 2ed5dc3..e7c8898 100644
--- a/linux-headers/linux/userfaultfd.h
+++ b/linux-headers/linux/userfaultfd.h
@@ -77,6 +77,9 @@  struct uffd_msg {
 		struct {
 			__u64	flags;
 			__u64	address;
+			union {
+				__u32   ptid;
+			} feat;
 		} pagefault;
 
 		struct {
@@ -158,6 +161,8 @@  struct uffdio_api {
 #define UFFD_FEATURE_EVENT_MADVDONTNEED		(1<<3)
 #define UFFD_FEATURE_MISSING_HUGETLBFS		(1<<4)
 #define UFFD_FEATURE_MISSING_SHMEM		(1<<5)
+#define UFFD_FEATURE_EVENT_UNMAP		(1<<6)
+#define UFFD_FEATURE_THREAD_ID			(1<<7)
 	__u64 features;
 
 	__u64 ioctls;