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authorJakub Kicinski <kuba@kernel.org>2021-12-17 03:13:19 +0300
committerJakub Kicinski <kuba@kernel.org>2021-12-17 03:13:19 +0300
commit7cd2802d7496c1fc76f42dc045b48cc16d11df39 (patch)
tree41c33f5944bbc686a489801762eb126e07049b81 /include/uapi
parent0f473bb6ed2d0b8533a079ee133f625f83de5315 (diff)
parent6441998e2e37131b0a4c310af9156d79d3351c16 (diff)
downloadlinux-7cd2802d7496c1fc76f42dc045b48cc16d11df39.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/asm-generic/poll.h2
-rw-r--r--include/uapi/linux/mptcp.h18
-rw-r--r--include/uapi/linux/resource.h13
3 files changed, 21 insertions, 12 deletions
diff --git a/include/uapi/asm-generic/poll.h b/include/uapi/asm-generic/poll.h
index 41b509f410bf..f9c520ce4bf4 100644
--- a/include/uapi/asm-generic/poll.h
+++ b/include/uapi/asm-generic/poll.h
@@ -29,7 +29,7 @@
#define POLLRDHUP 0x2000
#endif
-#define POLLFREE (__force __poll_t)0x4000 /* currently only for epoll */
+#define POLLFREE (__force __poll_t)0x4000
#define POLL_BUSY_LOOP (__force __poll_t)0x8000
diff --git a/include/uapi/linux/mptcp.h b/include/uapi/linux/mptcp.h
index c8cc46f80a16..f106a3941cdf 100644
--- a/include/uapi/linux/mptcp.h
+++ b/include/uapi/linux/mptcp.h
@@ -136,19 +136,21 @@ struct mptcp_info {
* MPTCP_EVENT_REMOVED: token, rem_id
* An address has been lost by the peer.
*
- * MPTCP_EVENT_SUB_ESTABLISHED: token, family, saddr4 | saddr6,
- * daddr4 | daddr6, sport, dport, backup,
- * if_idx [, error]
+ * MPTCP_EVENT_SUB_ESTABLISHED: token, family, loc_id, rem_id,
+ * saddr4 | saddr6, daddr4 | daddr6, sport,
+ * dport, backup, if_idx [, error]
* A new subflow has been established. 'error' should not be set.
*
- * MPTCP_EVENT_SUB_CLOSED: token, family, saddr4 | saddr6, daddr4 | daddr6,
- * sport, dport, backup, if_idx [, error]
+ * MPTCP_EVENT_SUB_CLOSED: token, family, loc_id, rem_id, saddr4 | saddr6,
+ * daddr4 | daddr6, sport, dport, backup, if_idx
+ * [, error]
* A subflow has been closed. An error (copy of sk_err) could be set if an
* error has been detected for this subflow.
*
- * MPTCP_EVENT_SUB_PRIORITY: token, family, saddr4 | saddr6, daddr4 | daddr6,
- * sport, dport, backup, if_idx [, error]
- * The priority of a subflow has changed. 'error' should not be set.
+ * MPTCP_EVENT_SUB_PRIORITY: token, family, loc_id, rem_id, saddr4 | saddr6,
+ * daddr4 | daddr6, sport, dport, backup, if_idx
+ * [, error]
+ * The priority of a subflow has changed. 'error' should not be set.
*/
enum mptcp_event_type {
MPTCP_EVENT_UNSPEC = 0,
diff --git a/include/uapi/linux/resource.h b/include/uapi/linux/resource.h
index 74ef57b38f9f..ac5d6a3031db 100644
--- a/include/uapi/linux/resource.h
+++ b/include/uapi/linux/resource.h
@@ -66,10 +66,17 @@ struct rlimit64 {
#define _STK_LIM (8*1024*1024)
/*
- * GPG2 wants 64kB of mlocked memory, to make sure pass phrases
- * and other sensitive information are never written to disk.
+ * Limit the amount of locked memory by some sane default:
+ * root can always increase this limit if needed.
+ *
+ * The main use-cases are (1) preventing sensitive memory
+ * from being swapped; (2) real-time operations; (3) via
+ * IOURING_REGISTER_BUFFERS.
+ *
+ * The first two don't need much. The latter will take as
+ * much as it can get. 8MB is a reasonably sane default.
*/
-#define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024)
+#define MLOCK_LIMIT (8*1024*1024)
/*
* Due to binary compatibility, the actual resource numbers