* Add SHM_HUGETLB, SHM_NORESERVE to bits/shm.h
@ 2017-11-16 21:14 Joseph Myers
2017-11-16 21:32 ` Dmitry V. Levin
0 siblings, 1 reply; 2+ messages in thread
From: Joseph Myers @ 2017-11-16 21:14 UTC (permalink / raw)
To: libc-alpha
Linux 4.14 adds SHM_HUGETLB and SHM_NORESERVE to
include/uapi/linux/shm.h. (These macros previously existed in the
kernel, but in the non-UAPI header.) This patch adds them to
bits/shm.h accordingly.
Tested for x86_64, and with build-many-glibcs.py.
2017-11-16 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/bits/shm.h (SHM_HUGETLB): New macro.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/shm.h (SHM_HUGETLB):
Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/arm/bits/shm.h (SHM_HUGETLB): Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/generic/bits/shm.h (SHM_HUGETLB):
Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/hppa/bits/shm.h (SHM_HUGETLB): Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/shm.h (SHM_HUGETLB): Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/mips/bits/shm.h (SHM_HUGETLB): Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/shm.h (SHM_HUGETLB):
Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/s390/bits/shm.h (SHM_HUGETLB): Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/sh/bits/shm.h (SHM_HUGETLB): Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/shm.h (SHM_HUGETLB):
Likewise.
(SHM_NORESERVE): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/shm.h (SHM_HUGETLB): Likewise.
(SHM_NORESERVE): Likewise.
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/shm.h b/sysdeps/unix/sysv/linux/alpha/bits/shm.h
index d628dcf..4c9dd05 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/shm.h
@@ -21,9 +21,11 @@
#include <bits/types.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/arm/bits/shm.h b/sysdeps/unix/sysv/linux/arm/bits/shm.h
index 2448ffd..c2ffbc4 100644
--- a/sysdeps/unix/sysv/linux/arm/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/arm/bits/shm.h
@@ -21,9 +21,11 @@
#include <bits/types.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/bits/shm.h b/sysdeps/unix/sysv/linux/bits/shm.h
index f8f593c..c73f090 100644
--- a/sysdeps/unix/sysv/linux/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/bits/shm.h
@@ -21,9 +21,11 @@
#include <bits/types.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/generic/bits/shm.h b/sysdeps/unix/sysv/linux/generic/bits/shm.h
index 057b85c..2e160ad 100644
--- a/sysdeps/unix/sysv/linux/generic/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/generic/bits/shm.h
@@ -23,9 +23,11 @@
#include <bits/types.h>
#include <bits/wordsize.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/hppa/bits/shm.h b/sysdeps/unix/sysv/linux/hppa/bits/shm.h
index 495dae8..9f07f3a 100644
--- a/sysdeps/unix/sysv/linux/hppa/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/hppa/bits/shm.h
@@ -22,9 +22,11 @@
#include <bits/types.h>
#include <bits/wordsize.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/shm.h b/sysdeps/unix/sysv/linux/ia64/bits/shm.h
index add8a60..ec44a48 100644
--- a/sysdeps/unix/sysv/linux/ia64/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/ia64/bits/shm.h
@@ -21,9 +21,11 @@
#include <sys/types.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/mips/bits/shm.h b/sysdeps/unix/sysv/linux/mips/bits/shm.h
index 20a02ce..d09d093 100644
--- a/sysdeps/unix/sysv/linux/mips/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/mips/bits/shm.h
@@ -21,9 +21,11 @@
#include <bits/types.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/shm.h b/sysdeps/unix/sysv/linux/powerpc/bits/shm.h
index 3812e73..a7bcacd 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/shm.h
@@ -21,9 +21,11 @@
#include <bits/types.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/s390/bits/shm.h b/sysdeps/unix/sysv/linux/s390/bits/shm.h
index 768b169..0c24d76 100644
--- a/sysdeps/unix/sysv/linux/s390/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/s390/bits/shm.h
@@ -22,9 +22,11 @@
#include <bits/types.h>
#include <bits/wordsize.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/sh/bits/shm.h b/sysdeps/unix/sysv/linux/sh/bits/shm.h
index d1f47ec..02750f4 100644
--- a/sysdeps/unix/sysv/linux/sh/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/sh/bits/shm.h
@@ -21,9 +21,11 @@
#include <bits/types.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/shm.h b/sysdeps/unix/sysv/linux/sparc/bits/shm.h
index c7857cc..d995661 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/shm.h
@@ -22,9 +22,11 @@
#include <bits/types.h>
#include <bits/wordsize.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
diff --git a/sysdeps/unix/sysv/linux/x86/bits/shm.h b/sysdeps/unix/sysv/linux/x86/bits/shm.h
index 5f8e2e1..78a427b 100644
--- a/sysdeps/unix/sysv/linux/x86/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/x86/bits/shm.h
@@ -21,9 +21,11 @@
#include <bits/types.h>
-/* Permission flag for shmget. */
+/* Flags for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+#define SHM_HUGETLB 04000 /* Segment will use huge TLB pages. */
+#define SHM_NORESERVE 010000 /* Don't check for reservations. */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
--
Joseph S. Myers
joseph@codesourcery.com
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Add SHM_HUGETLB, SHM_NORESERVE to bits/shm.h
2017-11-16 21:14 Add SHM_HUGETLB, SHM_NORESERVE to bits/shm.h Joseph Myers
@ 2017-11-16 21:32 ` Dmitry V. Levin
0 siblings, 0 replies; 2+ messages in thread
From: Dmitry V. Levin @ 2017-11-16 21:32 UTC (permalink / raw)
To: libc-alpha
[-- Attachment #1: Type: text/plain, Size: 1702 bytes --]
On Thu, Nov 16, 2017 at 09:14:04PM +0000, Joseph Myers wrote:
> Linux 4.14 adds SHM_HUGETLB and SHM_NORESERVE to
> include/uapi/linux/shm.h. (These macros previously existed in the
> kernel, but in the non-UAPI header.) This patch adds them to
> bits/shm.h accordingly.
>
> Tested for x86_64, and with build-many-glibcs.py.
>
> 2017-11-16 Joseph Myers <joseph@codesourcery.com>
>
> * sysdeps/unix/sysv/linux/bits/shm.h (SHM_HUGETLB): New macro.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/alpha/bits/shm.h (SHM_HUGETLB):
> Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/arm/bits/shm.h (SHM_HUGETLB): Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/generic/bits/shm.h (SHM_HUGETLB):
> Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/hppa/bits/shm.h (SHM_HUGETLB): Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/ia64/bits/shm.h (SHM_HUGETLB): Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/mips/bits/shm.h (SHM_HUGETLB): Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/powerpc/bits/shm.h (SHM_HUGETLB):
> Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/s390/bits/shm.h (SHM_HUGETLB): Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/sh/bits/shm.h (SHM_HUGETLB): Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/sparc/bits/shm.h (SHM_HUGETLB):
> Likewise.
> (SHM_NORESERVE): Likewise.
> * sysdeps/unix/sysv/linux/x86/bits/shm.h (SHM_HUGETLB): Likewise.
> (SHM_NORESERVE): Likewise.
They are already there (in __USE_MISC section).
--
ldv
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