Allows reading of SK_MEMINFO_VARS via socket option. This way an
application can get all meminfo related information in single socket
option call instead of multiple calls.
Adds helper function, sk_get_meminfo(), and uses that for both
getsockopt and sock_diag_put_meminfo().
Suggested by Eric Dumazet.
Signed-off-by: Josh Hunt
Reviewed-by: Jason Baron
Acked-by: Eric Dumazet
---
arch/alpha/include/uapi/asm/socket.h | 2 ++
arch/avr32/include/uapi/asm/socket.h | 2 ++
arch/frv/include/uapi/asm/socket.h | 2 ++
arch/ia64/include/uapi/asm/socket.h| 2 ++
arch/m32r/include/uapi/asm/socket.h| 2 ++
arch/mips/include/uapi/asm/socket.h| 3 +++
arch/mn10300/include/uapi/asm/socket.h | 2 ++
arch/parisc/include/uapi/asm/socket.h | 2 ++
arch/powerpc/include/uapi/asm/socket.h | 2 ++
arch/s390/include/uapi/asm/socket.h| 2 ++
arch/sparc/include/uapi/asm/socket.h | 2 ++
arch/xtensa/include/uapi/asm/socket.h | 2 ++
include/net/sock.h | 2 ++
include/uapi/asm-generic/socket.h | 2 ++
net/core/sock.c| 30 ++
net/core/sock_diag.c | 10 +-
16 files changed, 60 insertions(+), 9 deletions(-)
diff --git a/arch/alpha/include/uapi/asm/socket.h
b/arch/alpha/include/uapi/asm/socket.h
index afc901b..089db42 100644
--- a/arch/alpha/include/uapi/asm/socket.h
+++ b/arch/alpha/include/uapi/asm/socket.h
@@ -99,4 +99,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/avr32/include/uapi/asm/socket.h
b/arch/avr32/include/uapi/asm/socket.h
index 5a65042..6eabcbd 100644
--- a/arch/avr32/include/uapi/asm/socket.h
+++ b/arch/avr32/include/uapi/asm/socket.h
@@ -92,4 +92,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
#endif /* _UAPI__ASM_AVR32_SOCKET_H */
diff --git a/arch/frv/include/uapi/asm/socket.h
b/arch/frv/include/uapi/asm/socket.h
index 81e0353..bd497f8 100644
--- a/arch/frv/include/uapi/asm/socket.h
+++ b/arch/frv/include/uapi/asm/socket.h
@@ -92,5 +92,7 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/ia64/include/uapi/asm/socket.h
b/arch/ia64/include/uapi/asm/socket.h
index 57feb0c..f1bb546 100644
--- a/arch/ia64/include/uapi/asm/socket.h
+++ b/arch/ia64/include/uapi/asm/socket.h
@@ -101,4 +101,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
#endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/m32r/include/uapi/asm/socket.h
b/arch/m32r/include/uapi/asm/socket.h
index 5853f8e9..459c460 100644
--- a/arch/m32r/include/uapi/asm/socket.h
+++ b/arch/m32r/include/uapi/asm/socket.h
@@ -92,4 +92,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
#endif /* _ASM_M32R_SOCKET_H */
diff --git a/arch/mips/include/uapi/asm/socket.h
b/arch/mips/include/uapi/asm/socket.h
index 566ecdc..688c18d 100644
--- a/arch/mips/include/uapi/asm/socket.h
+++ b/arch/mips/include/uapi/asm/socket.h
@@ -110,4 +110,7 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/mn10300/include/uapi/asm/socket.h
b/arch/mn10300/include/uapi/asm/socket.h
index 0e12527..312d2c4 100644
--- a/arch/mn10300/include/uapi/asm/socket.h
+++ b/arch/mn10300/include/uapi/asm/socket.h
@@ -92,4 +92,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/parisc/include/uapi/asm/socket.h
b/arch/parisc/include/uapi/asm/socket.h
index 7a109b7..b98ec38 100644
--- a/arch/parisc/include/uapi/asm/socket.h
+++ b/arch/parisc/include/uapi/asm/socket.h
@@ -91,4 +91,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 0x402F
+#define SO_MEMINFO 0x4030
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/powerpc/include/uapi/asm/socket.h
b/arch/powerpc/include/uapi/asm/socket.h
index 44583a5..099a889 100644
--- a/arch/powerpc/include/uapi/asm/socket.h
+++ b/arch/powerpc/include/uapi/asm/socket.h
@@ -99,4 +99,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
#endif /* _ASM_POWERPC_SOCKET_H */
diff --git a/arch/s390/include/uapi/asm/socket.h
b/arch/s390/include/uapi/asm/socket.h
index b24a64c..6199bb3 100644
--- a/arch/s390/include/uapi/asm/socket.h
+++ b/arch/s390/include/uapi/asm/socket.h
@@ -98,4 +98,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#defineSO_MEMINFO 55
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/sparc/include/uapi/asm/socket.h
b/arch/sparc/include/uapi/asm/socket.h
index a25dc32..12cd8c2 100644
--- a/arch/sparc/include/uapi/asm/socket.h
+++ b/arch/sparc/include/uapi/asm/socket.h
@@ -88,6 +88,8 @@
#define SCM_TIMESTAMPING_OPT_STATS 0x0038
+#define SO_MEMINFO 0x0039
+
/* Security