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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 20:42:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 20:42:41 +0300
commit5c40cd7db64a2949f268d7467b9be551a565d14b (patch)
treefb8a67f6edcb0c9922c256a598d675c1c04051d6 /include/uapi/linux/futex.h
parent8bde384a2090759efc9b92f34300887d418a2a3a (diff)
parent25bf10be219d37d2fb221c93816a913f5f735530 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi/linux/futex.h')
-rw-r--r--include/uapi/linux/futex.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/uapi/linux/futex.h b/include/uapi/linux/futex.h
index d2ee625ea189..7e2744ec8933 100644
--- a/include/uapi/linux/futex.h
+++ b/include/uapi/linux/futex.h
@@ -63,7 +63,7 @@
#define FUTEX2_SIZE_U32 0x02
#define FUTEX2_SIZE_U64 0x03
#define FUTEX2_NUMA 0x04
- /* 0x08 */
+#define FUTEX2_MPOL 0x08
/* 0x10 */
/* 0x20 */
/* 0x40 */
@@ -75,6 +75,13 @@
#define FUTEX_32 FUTEX2_SIZE_U32 /* historical accident :-( */
/*
+ * When FUTEX2_NUMA doubles the futex word, the second word is a node value.
+ * The special value -1 indicates no-node. This is the same value as
+ * NUMA_NO_NODE, except that value is not ABI, this is.
+ */
+#define FUTEX_NO_NODE (-1)
+
+/*
* Max numbers of elements in a futex_waitv array
*/
#define FUTEX_WAITV_MAX 128