add MAP_SYNC and MAP_SHARED_VALIDATE from linux v4.15

for synchronous page faults, new in linux commit
1c9725974074a047f6080eecc62c50a8e840d050 and
b6fb293f2497a9841d94f6b57bd2bb2cd222da43
note that only targets that use asm-generic/mman.h have this new
flag defined, so undef it on other targets (mips*, powerpc*).

diff --git a/arch/mips/bits/mman.h b/arch/mips/bits/mman.h
index c68aea88cf89ede0f3fd44f9b40e8c5726120f2f..9027bb6376019fbd639c3ffbcc5079d656cea6ca 100644 (file)
--- a/arch/mips/bits/mman.h
+++ b/arch/mips/bits/mman.h
@@ -18,6 +18,7 @@
 #define MAP_STACK      0x40000
 #undef MAP_HUGETLB
 #define MAP_HUGETLB    0x80000
+#undef MAP_SYNC
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #undef MADV_SOFT_OFFLINE

diff --git a/arch/mips64/bits/mman.h b/arch/mips64/bits/mman.h
index c68aea88cf89ede0f3fd44f9b40e8c5726120f2f..9027bb6376019fbd639c3ffbcc5079d656cea6ca 100644 (file)
--- a/arch/mips64/bits/mman.h
+++ b/arch/mips64/bits/mman.h
@@ -18,6 +18,7 @@
 #define MAP_STACK      0x40000
 #undef MAP_HUGETLB
 #define MAP_HUGETLB    0x80000
+#undef MAP_SYNC
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #undef MADV_SOFT_OFFLINE

diff --git a/arch/mipsn32/bits/mman.h b/arch/mipsn32/bits/mman.h
index c68aea88cf89ede0f3fd44f9b40e8c5726120f2f..9027bb6376019fbd639c3ffbcc5079d656cea6ca 100644 (file)
--- a/arch/mipsn32/bits/mman.h
+++ b/arch/mipsn32/bits/mman.h
@@ -18,6 +18,7 @@
 #define MAP_STACK      0x40000
 #undef MAP_HUGETLB
 #define MAP_HUGETLB    0x80000
+#undef MAP_SYNC
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #undef MADV_SOFT_OFFLINE

diff --git a/arch/powerpc/bits/mman.h b/arch/powerpc/bits/mman.h
index 95ec4358dd52d196d91d343571e880e47ade6e01..b3a675a8229dc1c9a619af03b864dbec0270d5f1 100644 (file)
--- a/arch/powerpc/bits/mman.h
+++ b/arch/powerpc/bits/mman.h
@@ -4,6 +4,7 @@
 #define MAP_NORESERVE   0x40
 #undef MAP_LOCKED
 #define MAP_LOCKED     0x80
+#undef MAP_SYNC
 
 #undef MCL_CURRENT
 #define MCL_CURRENT     0x2000

diff --git a/arch/powerpc64/bits/mman.h b/arch/powerpc64/bits/mman.h
index 95ec4358dd52d196d91d343571e880e47ade6e01..b3a675a8229dc1c9a619af03b864dbec0270d5f1 100644 (file)
--- a/arch/powerpc64/bits/mman.h
+++ b/arch/powerpc64/bits/mman.h
@@ -4,6 +4,7 @@
 #define MAP_NORESERVE   0x40
 #undef MAP_LOCKED
 #define MAP_LOCKED     0x80
+#undef MAP_SYNC
 
 #undef MCL_CURRENT
 #define MCL_CURRENT     0x2000

diff --git a/include/sys/mman.h b/include/sys/mman.h
index d13d4ca38d823f743e7a7c40934432f7f8b07e9a..302ad134002d20ee6d1f3d068808bc3fc9458f92 100644 (file)
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -20,6 +20,7 @@ extern "C" {
 
 #define MAP_SHARED     0x01
 #define MAP_PRIVATE    0x02
+#define MAP_SHARED_VALIDATE 0x03
 #define MAP_TYPE       0x0f
 #define MAP_FIXED      0x10
 #define MAP_ANON       0x20
@@ -33,6 +34,7 @@ extern "C" {
 #define MAP_NONBLOCK   0x10000
 #define MAP_STACK      0x20000
 #define MAP_HUGETLB    0x40000
+#define MAP_SYNC       0x80000
 #define MAP_FILE       0
 
 #define MAP_HUGE_SHIFT 26