* + mm-wire-up-syscall-process_mrelease.patch added to -mm tree
@ 2021-08-09 19:35 akpm
0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2021-08-09 19:35 UTC (permalink / raw)
To: mm-commits, willy, timmurray, shakeelb, rientjes, riel, oleg,
minchan, mhocko, luto, jengelh, jannh, hch, hannes, guro, geert,
fweimer, david, christian.brauner, surenb
The patch titled
Subject: mm: wire up syscall process_mrelease
has been added to the -mm tree. Its filename is
mm-wire-up-syscall-process_mrelease.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-wire-up-syscall-process_mrelease.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-wire-up-syscall-process_mrelease.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Suren Baghdasaryan <surenb@google.com>
Subject: mm: wire up syscall process_mrelease
Split off from prev patch in the series that implements the syscall.
Link: https://lkml.kernel.org/r/20210809185259.405936-2-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: Jann Horn <jannh@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Tim Murray <timmurray@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/alpha/kernel/syscalls/syscall.tbl | 2 ++
arch/arm/tools/syscall.tbl | 2 ++
arch/arm64/include/asm/unistd.h | 2 +-
arch/arm64/include/asm/unistd32.h | 2 ++
arch/ia64/kernel/syscalls/syscall.tbl | 2 ++
arch/m68k/kernel/syscalls/syscall.tbl | 2 ++
arch/microblaze/kernel/syscalls/syscall.tbl | 2 ++
arch/mips/kernel/syscalls/syscall_n32.tbl | 2 ++
arch/mips/kernel/syscalls/syscall_n64.tbl | 2 ++
arch/mips/kernel/syscalls/syscall_o32.tbl | 2 ++
arch/parisc/kernel/syscalls/syscall.tbl | 2 ++
arch/powerpc/kernel/syscalls/syscall.tbl | 2 ++
arch/s390/kernel/syscalls/syscall.tbl | 2 ++
arch/sh/kernel/syscalls/syscall.tbl | 2 ++
arch/sparc/kernel/syscalls/syscall.tbl | 2 ++
arch/x86/entry/syscalls/syscall_32.tbl | 1 +
arch/x86/entry/syscalls/syscall_64.tbl | 1 +
arch/xtensa/kernel/syscalls/syscall.tbl | 2 ++
include/linux/syscalls.h | 1 +
include/uapi/asm-generic/unistd.h | 4 +++-
kernel/sys_ni.c | 1 +
21 files changed, 38 insertions(+), 2 deletions(-)
--- a/arch/alpha/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/alpha/kernel/syscalls/syscall.tbl
@@ -486,3 +486,5 @@
554 common landlock_create_ruleset sys_landlock_create_ruleset
555 common landlock_add_rule sys_landlock_add_rule
556 common landlock_restrict_self sys_landlock_restrict_self
+# 557 reserved for memfd_secret
+558 common process_mrelease sys_process_mrelease
--- a/arch/arm64/include/asm/unistd32.h~mm-wire-up-syscall-process_mrelease
+++ a/arch/arm64/include/asm/unistd32.h
@@ -901,6 +901,8 @@ __SYSCALL(__NR_landlock_create_ruleset,
__SYSCALL(__NR_landlock_add_rule, sys_landlock_add_rule)
#define __NR_landlock_restrict_self 446
__SYSCALL(__NR_landlock_restrict_self, sys_landlock_restrict_self)
+#define __NR_process_mrelease 448
+__SYSCALL(__NR_process_mrelease, sys_process_mrelease)
/*
* Please add new compat syscalls above this comment and update
--- a/arch/arm64/include/asm/unistd.h~mm-wire-up-syscall-process_mrelease
+++ a/arch/arm64/include/asm/unistd.h
@@ -38,7 +38,7 @@
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
#define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
-#define __NR_compat_syscalls 447
+#define __NR_compat_syscalls 449
#endif
#define __ARCH_WANT_SYS_CLONE
--- a/arch/arm/tools/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/arm/tools/syscall.tbl
@@ -460,3 +460,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/ia64/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/ia64/kernel/syscalls/syscall.tbl
@@ -367,3 +367,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/m68k/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/m68k/kernel/syscalls/syscall.tbl
@@ -446,3 +446,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/microblaze/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -452,3 +452,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -385,3 +385,5 @@
444 n32 landlock_create_ruleset sys_landlock_create_ruleset
445 n32 landlock_add_rule sys_landlock_add_rule
446 n32 landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 n32 process_mrelease sys_process_mrelease
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -361,3 +361,5 @@
444 n64 landlock_create_ruleset sys_landlock_create_ruleset
445 n64 landlock_add_rule sys_landlock_add_rule
446 n64 landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 n64 process_mrelease sys_process_mrelease
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -434,3 +434,5 @@
444 o32 landlock_create_ruleset sys_landlock_create_ruleset
445 o32 landlock_add_rule sys_landlock_add_rule
446 o32 landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 o32 process_mrelease sys_process_mrelease
--- a/arch/parisc/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/parisc/kernel/syscalls/syscall.tbl
@@ -444,3 +444,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/powerpc/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -526,3 +526,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/s390/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/s390/kernel/syscalls/syscall.tbl
@@ -449,3 +449,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease sys_process_mrelease
--- a/arch/sh/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/sh/kernel/syscalls/syscall.tbl
@@ -449,3 +449,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/sparc/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/sparc/kernel/syscalls/syscall.tbl
@@ -492,3 +492,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/x86/entry/syscalls/syscall_32.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/x86/entry/syscalls/syscall_32.tbl
@@ -452,3 +452,4 @@
445 i386 landlock_add_rule sys_landlock_add_rule
446 i386 landlock_restrict_self sys_landlock_restrict_self
447 i386 memfd_secret sys_memfd_secret
+448 i386 process_mrelease sys_process_mrelease
--- a/arch/x86/entry/syscalls/syscall_64.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/x86/entry/syscalls/syscall_64.tbl
@@ -369,6 +369,7 @@
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
447 common memfd_secret sys_memfd_secret
+448 common process_mrelease sys_process_mrelease
#
# Due to a historical design error, certain syscalls are numbered differently
--- a/arch/xtensa/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -417,3 +417,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/include/linux/syscalls.h~mm-wire-up-syscall-process_mrelease
+++ a/include/linux/syscalls.h
@@ -915,6 +915,7 @@ asmlinkage long sys_mincore(unsigned lon
asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
size_t vlen, int behavior, unsigned int flags);
+asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
unsigned long prot, unsigned long pgoff,
unsigned long flags);
--- a/include/uapi/asm-generic/unistd.h~mm-wire-up-syscall-process_mrelease
+++ a/include/uapi/asm-generic/unistd.h
@@ -877,9 +877,11 @@ __SYSCALL(__NR_landlock_restrict_self, s
#define __NR_memfd_secret 447
__SYSCALL(__NR_memfd_secret, sys_memfd_secret)
#endif
+#define __NR_process_mrelease 448
+__SYSCALL(__NR_process_mrelease, sys_process_mrelease)
#undef __NR_syscalls
-#define __NR_syscalls 448
+#define __NR_syscalls 449
/*
* 32 bit systems traditionally used different
--- a/kernel/sys_ni.c~mm-wire-up-syscall-process_mrelease
+++ a/kernel/sys_ni.c
@@ -289,6 +289,7 @@ COND_SYSCALL(munlockall);
COND_SYSCALL(mincore);
COND_SYSCALL(madvise);
COND_SYSCALL(process_madvise);
+COND_SYSCALL(process_mrelease);
COND_SYSCALL(remap_file_pages);
COND_SYSCALL(mbind);
COND_SYSCALL_COMPAT(mbind);
_
Patches currently in -mm which might be from surenb@google.com are
mm-memcg-add-mem_cgroup_disabled-checks-in-vmpressure-and-swap-related-functions.patch
mm-memcg-inline-mem_cgroup_charge-uncharge-to-improve-disabled-memcg-config.patch
mm-memcg-inline-swap-related-functions-to-improve-disabled-memcg-config.patch
mm-introduce-process_mrelease-system-call.patch
mm-wire-up-syscall-process_mrelease.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
* + mm-wire-up-syscall-process_mrelease.patch added to -mm tree
@ 2021-08-04 22:50 akpm
0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2021-08-04 22:50 UTC (permalink / raw)
To: mm-commits, willy, timmurray, shakeelb, rientjes, riel, oleg,
minchan, mhocko, luto, jengelh, jannh, hch, hannes, guro,
fweimer, david, christian.brauner, christian, surenb
The patch titled
Subject: mm: wire up syscall process_mrelease
has been added to the -mm tree. Its filename is
mm-wire-up-syscall-process_mrelease.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-wire-up-syscall-process_mrelease.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-wire-up-syscall-process_mrelease.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Suren Baghdasaryan <surenb@google.com>
Subject: mm: wire up syscall process_mrelease
Split off from prev patch in the series that implements the syscall.
Link: https://lkml.kernel.org/r/20210804185004.1304692-2-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Christian Brauner <christian@brauner.io>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: Jann Horn <jannh@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Tim Murray <timmurray@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/alpha/kernel/syscalls/syscall.tbl | 2 ++
arch/arm/tools/syscall.tbl | 2 ++
arch/arm64/include/asm/unistd.h | 2 +-
arch/arm64/include/asm/unistd32.h | 2 ++
arch/ia64/kernel/syscalls/syscall.tbl | 2 ++
arch/m68k/kernel/syscalls/syscall.tbl | 2 ++
arch/microblaze/kernel/syscalls/syscall.tbl | 2 ++
arch/mips/kernel/syscalls/syscall_n32.tbl | 2 ++
arch/mips/kernel/syscalls/syscall_n64.tbl | 2 ++
arch/mips/kernel/syscalls/syscall_o32.tbl | 2 ++
arch/parisc/kernel/syscalls/syscall.tbl | 2 ++
arch/powerpc/kernel/syscalls/syscall.tbl | 2 ++
arch/s390/kernel/syscalls/syscall.tbl | 2 ++
arch/sh/kernel/syscalls/syscall.tbl | 2 ++
arch/sparc/kernel/syscalls/syscall.tbl | 2 ++
arch/x86/entry/syscalls/syscall_32.tbl | 1 +
arch/x86/entry/syscalls/syscall_64.tbl | 1 +
arch/xtensa/kernel/syscalls/syscall.tbl | 2 ++
include/linux/syscalls.h | 1 +
include/uapi/asm-generic/unistd.h | 4 +++-
kernel/sys_ni.c | 1 +
21 files changed, 38 insertions(+), 2 deletions(-)
--- a/arch/alpha/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/alpha/kernel/syscalls/syscall.tbl
@@ -486,3 +486,5 @@
554 common landlock_create_ruleset sys_landlock_create_ruleset
555 common landlock_add_rule sys_landlock_add_rule
556 common landlock_restrict_self sys_landlock_restrict_self
+# 557 reserved for memfd_secret
+558 common process_mrelease sys_process_mrelease
--- a/arch/arm64/include/asm/unistd32.h~mm-wire-up-syscall-process_mrelease
+++ a/arch/arm64/include/asm/unistd32.h
@@ -901,6 +901,8 @@ __SYSCALL(__NR_landlock_create_ruleset,
__SYSCALL(__NR_landlock_add_rule, sys_landlock_add_rule)
#define __NR_landlock_restrict_self 446
__SYSCALL(__NR_landlock_restrict_self, sys_landlock_restrict_self)
+#define __NR_process_mrelease 448
+__SYSCALL(__NR_process_mrelease, sys_process_mrelease)
/*
* Please add new compat syscalls above this comment and update
--- a/arch/arm64/include/asm/unistd.h~mm-wire-up-syscall-process_mrelease
+++ a/arch/arm64/include/asm/unistd.h
@@ -38,7 +38,7 @@
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
#define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
-#define __NR_compat_syscalls 447
+#define __NR_compat_syscalls 449
#endif
#define __ARCH_WANT_SYS_CLONE
--- a/arch/arm/tools/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/arm/tools/syscall.tbl
@@ -460,3 +460,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/ia64/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/ia64/kernel/syscalls/syscall.tbl
@@ -367,3 +367,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/m68k/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/m68k/kernel/syscalls/syscall.tbl
@@ -446,3 +446,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/microblaze/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -452,3 +452,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -385,3 +385,5 @@
444 n32 landlock_create_ruleset sys_landlock_create_ruleset
445 n32 landlock_add_rule sys_landlock_add_rule
446 n32 landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 n32 process_mrelease sys_process_mrelease
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -361,3 +361,5 @@
444 n64 landlock_create_ruleset sys_landlock_create_ruleset
445 n64 landlock_add_rule sys_landlock_add_rule
446 n64 landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 n64 process_mrelease sys_process_mrelease
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -434,3 +434,5 @@
444 o32 landlock_create_ruleset sys_landlock_create_ruleset
445 o32 landlock_add_rule sys_landlock_add_rule
446 o32 landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 o32 process_mrelease sys_process_mrelease
--- a/arch/parisc/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/parisc/kernel/syscalls/syscall.tbl
@@ -444,3 +444,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/powerpc/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -526,3 +526,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/s390/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/s390/kernel/syscalls/syscall.tbl
@@ -449,3 +449,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease sys_process_mrelease
--- a/arch/sh/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/sh/kernel/syscalls/syscall.tbl
@@ -449,3 +449,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/sparc/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/sparc/kernel/syscalls/syscall.tbl
@@ -492,3 +492,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/arch/x86/entry/syscalls/syscall_32.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/x86/entry/syscalls/syscall_32.tbl
@@ -452,3 +452,4 @@
445 i386 landlock_add_rule sys_landlock_add_rule
446 i386 landlock_restrict_self sys_landlock_restrict_self
447 i386 memfd_secret sys_memfd_secret
+448 i386 process_mrelease sys_process_mrelease
--- a/arch/x86/entry/syscalls/syscall_64.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/x86/entry/syscalls/syscall_64.tbl
@@ -369,6 +369,7 @@
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
447 common memfd_secret sys_memfd_secret
+448 common process_mrelease sys_process_mrelease
#
# Due to a historical design error, certain syscalls are numbered differently
--- a/arch/xtensa/kernel/syscalls/syscall.tbl~mm-wire-up-syscall-process_mrelease
+++ a/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -417,3 +417,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
--- a/include/linux/syscalls.h~mm-wire-up-syscall-process_mrelease
+++ a/include/linux/syscalls.h
@@ -915,6 +915,7 @@ asmlinkage long sys_mincore(unsigned lon
asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
size_t vlen, int behavior, unsigned int flags);
+asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
unsigned long prot, unsigned long pgoff,
unsigned long flags);
--- a/include/uapi/asm-generic/unistd.h~mm-wire-up-syscall-process_mrelease
+++ a/include/uapi/asm-generic/unistd.h
@@ -877,9 +877,11 @@ __SYSCALL(__NR_landlock_restrict_self, s
#define __NR_memfd_secret 447
__SYSCALL(__NR_memfd_secret, sys_memfd_secret)
#endif
+#define __NR_process_mrelease 448
+__SYSCALL(__NR_process_mrelease, sys_process_mrelease)
#undef __NR_syscalls
-#define __NR_syscalls 448
+#define __NR_syscalls 449
/*
* 32 bit systems traditionally used different
--- a/kernel/sys_ni.c~mm-wire-up-syscall-process_mrelease
+++ a/kernel/sys_ni.c
@@ -289,6 +289,7 @@ COND_SYSCALL(munlockall);
COND_SYSCALL(mincore);
COND_SYSCALL(madvise);
COND_SYSCALL(process_madvise);
+COND_SYSCALL(process_mrelease);
COND_SYSCALL(remap_file_pages);
COND_SYSCALL(mbind);
COND_SYSCALL_COMPAT(mbind);
_
Patches currently in -mm which might be from surenb@google.com are
mm-memcg-add-mem_cgroup_disabled-checks-in-vmpressure-and-swap-related-functions.patch
mm-memcg-inline-mem_cgroup_charge-uncharge-to-improve-disabled-memcg-config.patch
mm-memcg-inline-swap-related-functions-to-improve-disabled-memcg-config.patch
mm-introduce-process_mrelease-system-call.patch
mm-wire-up-syscall-process_mrelease.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-08-09 19:35 + mm-wire-up-syscall-process_mrelease.patch added to -mm tree akpm
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2021-08-04 22:50 akpm
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