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authorJosh Hunt <johunt@akamai.com>2017-03-20 15:22:03 -0400
committerDavid S. Miller <davem@davemloft.net>2017-03-22 11:18:58 -0700
commita2d133b1d465016d0d97560b11f54ba0ace56d3e (patch)
tree0c41151a6860eb295d7919e22cce1dd5a8b0aea9 /arch
parentc7cd4c9bf8df87027e739fe66d0a55951f6875d8 (diff)
downloadlinux-a2d133b1d465016d0d97560b11f54ba0ace56d3e.tar.bz2
sock: introduce SO_MEMINFO getsockopt
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 <johunt@akamai.com> Reviewed-by: Jason Baron <jbaron@akamai.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/include/uapi/asm/socket.h2
-rw-r--r--arch/avr32/include/uapi/asm/socket.h2
-rw-r--r--arch/frv/include/uapi/asm/socket.h2
-rw-r--r--arch/ia64/include/uapi/asm/socket.h2
-rw-r--r--arch/m32r/include/uapi/asm/socket.h2
-rw-r--r--arch/mips/include/uapi/asm/socket.h3
-rw-r--r--arch/mn10300/include/uapi/asm/socket.h2
-rw-r--r--arch/parisc/include/uapi/asm/socket.h2
-rw-r--r--arch/powerpc/include/uapi/asm/socket.h2
-rw-r--r--arch/s390/include/uapi/asm/socket.h2
-rw-r--r--arch/sparc/include/uapi/asm/socket.h2
-rw-r--r--arch/xtensa/include/uapi/asm/socket.h2
12 files changed, 25 insertions, 0 deletions
diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h
index afc901b7a6f6..089db42c1b40 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 5a650426f357..6eabcbd2f82a 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 81e03530ed39..bd497f8356b9 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 57feb0c1f7d7..f1bb54686168 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 5853f8e92c20..459c46076f6f 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 566ecdcb5b4b..688c18dd62ef 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 0e12527c4b0e..312d2c457a04 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 7a109b73ddf7..b98ec38f2083 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 44583a52f882..099a889240f6 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 b24a64cbfeb1..6199bb34f7fa 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
+#define SO_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 a25dc32f5d6a..12cd8c2ec422 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 levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
#define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002
diff --git a/arch/xtensa/include/uapi/asm/socket.h b/arch/xtensa/include/uapi/asm/socket.h
index 9fdbe1fe0473..d0b85f6c1484 100644
--- a/arch/xtensa/include/uapi/asm/socket.h
+++ b/arch/xtensa/include/uapi/asm/socket.h
@@ -103,4 +103,6 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
#endif /* _XTENSA_SOCKET_H */
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