From b830f94f7303a49d509d5b1bb34ecb2e648b23c4 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 26 Jul 2019 12:49:00 -0300 Subject: [PATCH] tools headers UAPI: Update tools's copy of mman.h headers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To pick up the changes from: 8aa3c927ec10 ("mm/mmap: move common defines to mman-common.h") 22fcea6f85f2 ("mm: move MAP_SYNC to asm-generic/mman-common.h") 0bf5f9492389 ("mm: fix the MAP_UNINITIALIZED flag") To address the following perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/mman-common.h' differs from latest version at 'include/uapi/asm-generic/mman-common.h' diff -u tools/include/uapi/asm-generic/mman-common.h include/uapi/asm-generic/mman-common.h Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/mman.h' differs from latest version at 'include/uapi/asm-generic/mman.h' diff -u tools/include/uapi/asm-generic/mman.h include/uapi/asm-generic/mman.h That ends up just moving a bit the auto-generated code->string tables: $ tools/perf/trace/beauty/mmap_flags.sh > before $ cp include/uapi/asm-generic/mman.h tools/include/uapi/asm-generic/mman.h $ cp include/uapi/asm-generic/mman-common.h tools/include/uapi/asm-generic/mman-common.h $ tools/perf/trace/beauty/mmap_flags.sh > after $ diff -u before after --- before 2019-07-26 12:45:02.948335904 -0300 +++ after 2019-07-26 12:48:05.342893539 -0300 @@ -4,15 +4,15 @@ [ilog2(0x02) + 1] = "PRIVATE", [ilog2(0x10) + 1] = "FIXED", [ilog2(0x20) + 1] = "ANONYMOUS", + [ilog2(0x008000) + 1] = "POPULATE", + [ilog2(0x010000) + 1] = "NONBLOCK", + [ilog2(0x020000) + 1] = "STACK", + [ilog2(0x040000) + 1] = "HUGETLB", + [ilog2(0x080000) + 1] = "SYNC", [ilog2(0x100000) + 1] = "FIXED_NOREPLACE", [ilog2(0x0100) + 1] = "GROWSDOWN", [ilog2(0x0800) + 1] = "DENYWRITE", [ilog2(0x1000) + 1] = "EXECUTABLE", [ilog2(0x2000) + 1] = "LOCKED", [ilog2(0x4000) + 1] = "NORESERVE", - [ilog2(0x8000) + 1] = "POPULATE", - [ilog2(0x10000) + 1] = "NONBLOCK", - [ilog2(0x20000) + 1] = "STACK", - [ilog2(0x40000) + 1] = "HUGETLB", - [ilog2(0x80000) + 1] = "SYNC", }; $ Cc: Adrian Hunter Cc: Aneesh Kumar K.V Cc: Christoph Hellwig Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-fzqvzni9megaurmsp0k4vy27@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/arch/powerpc/include/uapi/asm/mman.h | 4 ---- tools/arch/sparc/include/uapi/asm/mman.h | 4 ---- tools/include/uapi/asm-generic/mman-common.h | 15 +++++++++------ tools/include/uapi/asm-generic/mman.h | 10 ++++------ 4 files changed, 13 insertions(+), 20 deletions(-) diff --git a/tools/arch/powerpc/include/uapi/asm/mman.h b/tools/arch/powerpc/include/uapi/asm/mman.h index f33105bc5ca6..8601d824a9c6 100644 --- a/tools/arch/powerpc/include/uapi/asm/mman.h +++ b/tools/arch/powerpc/include/uapi/asm/mman.h @@ -4,12 +4,8 @@ #define MAP_DENYWRITE 0x0800 #define MAP_EXECUTABLE 0x1000 #define MAP_GROWSDOWN 0x0100 -#define MAP_HUGETLB 0x40000 #define MAP_LOCKED 0x80 -#define MAP_NONBLOCK 0x10000 #define MAP_NORESERVE 0x40 -#define MAP_POPULATE 0x8000 -#define MAP_STACK 0x20000 #include /* MAP_32BIT is undefined on powerpc, fix it for perf */ #define MAP_32BIT 0 diff --git a/tools/arch/sparc/include/uapi/asm/mman.h b/tools/arch/sparc/include/uapi/asm/mman.h index 38920eed8cbf..7b94dccc843d 100644 --- a/tools/arch/sparc/include/uapi/asm/mman.h +++ b/tools/arch/sparc/include/uapi/asm/mman.h @@ -4,12 +4,8 @@ #define MAP_DENYWRITE 0x0800 #define MAP_EXECUTABLE 0x1000 #define MAP_GROWSDOWN 0x0200 -#define MAP_HUGETLB 0x40000 #define MAP_LOCKED 0x100 -#define MAP_NONBLOCK 0x10000 #define MAP_NORESERVE 0x40 -#define MAP_POPULATE 0x8000 -#define MAP_STACK 0x20000 #include /* MAP_32BIT is undefined on sparc, fix it for perf */ #define MAP_32BIT 0 diff --git a/tools/include/uapi/asm-generic/mman-common.h b/tools/include/uapi/asm-generic/mman-common.h index abd238d0f7a4..63b1f506ea67 100644 --- a/tools/include/uapi/asm-generic/mman-common.h +++ b/tools/include/uapi/asm-generic/mman-common.h @@ -19,15 +19,18 @@ #define MAP_TYPE 0x0f /* Mask for type of mapping */ #define MAP_FIXED 0x10 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x20 /* don't use a file */ -#ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED -# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be uninitialized */ -#else -# define MAP_UNINITIALIZED 0x0 /* Don't support this flag */ -#endif -/* 0x0100 - 0x80000 flags are defined in asm-generic/mman.h */ +/* 0x0100 - 0x4000 flags are defined in asm-generic/mman.h */ +#define MAP_POPULATE 0x008000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x010000 /* do not block on IO */ +#define MAP_STACK 0x020000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x040000 /* create a huge page mapping */ +#define MAP_SYNC 0x080000 /* perform synchronous page faults for the mapping */ #define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */ +#define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be + * uninitialized */ + /* * Flags for mlock */ diff --git a/tools/include/uapi/asm-generic/mman.h b/tools/include/uapi/asm-generic/mman.h index 36c197fc44a0..406f7718f9ad 100644 --- a/tools/include/uapi/asm-generic/mman.h +++ b/tools/include/uapi/asm-generic/mman.h @@ -9,13 +9,11 @@ #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ #define MAP_LOCKED 0x2000 /* pages are locked */ #define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ -#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ -#define MAP_HUGETLB 0x40000 /* create a huge page mapping */ -#define MAP_SYNC 0x80000 /* perform synchronous page faults for the mapping */ -/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */ +/* + * Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h + * for MAP_HUGETLB usage + */ #define MCL_CURRENT 1 /* lock all current mappings */ #define MCL_FUTURE 2 /* lock all future mappings */