| Message ID | 20200515160222.7994-1-steve@sk2.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | docs: sysctl/kernel: document ngroups_max | expand |
On Fri, 15 May 2020 18:02:22 +0200 Stephen Kitt <steve@sk2.org> wrote: > This is a read-only export of NGROUPS_MAX, so this patch also changes > the declarations in kernel/sysctl.c to const. > > Signed-off-by: Stephen Kitt <steve@sk2.org> > --- > Documentation/admin-guide/sysctl/kernel.rst | 9 +++++++++ > kernel/sysctl.c | 4 ++-- > 2 files changed, 11 insertions(+), 2 deletions(-) > > diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst > index 0d427fd10941..5f12ee07665c 100644 > --- a/Documentation/admin-guide/sysctl/kernel.rst > +++ b/Documentation/admin-guide/sysctl/kernel.rst > @@ -459,6 +459,15 @@ Notes: > successful IPC object allocation. If an IPC object allocation syscall > fails, it is undefined if the value remains unmodified or is reset to -1. > > + > +ngroups_max > +=========== > + > +Maximum number of supplementary groups, _i.e._ the maximum size which > +``setgroups`` will accept. Exports ``NGROUPS_MAX`` from the kernel. Applied, thanks. jon
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 0d427fd10941..5f12ee07665c 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -459,6 +459,15 @@ Notes: successful IPC object allocation. If an IPC object allocation syscall fails, it is undefined if the value remains unmodified or is reset to -1. + +ngroups_max +=========== + +Maximum number of supplementary groups, _i.e._ the maximum size which +``setgroups`` will accept. Exports ``NGROUPS_MAX`` from the kernel. + + + nmi_watchdog ============ diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 8a176d8727a3..2ba9f449d273 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -146,7 +146,7 @@ static unsigned long dirty_bytes_min = 2 * PAGE_SIZE; static int maxolduid = 65535; static int minolduid; -static int ngroups_max = NGROUPS_MAX; +static const int ngroups_max = NGROUPS_MAX; static const int cap_last_cap = CAP_LAST_CAP; /* @@ -883,7 +883,7 @@ static struct ctl_table kern_table[] = { #endif { .procname = "ngroups_max", - .data = &ngroups_max, + .data = (void *)&ngroups_max, .maxlen = sizeof (int), .mode = 0444, .proc_handler = proc_dointvec,
This is a read-only export of NGROUPS_MAX, so this patch also changes the declarations in kernel/sysctl.c to const. Signed-off-by: Stephen Kitt <steve@sk2.org> --- Documentation/admin-guide/sysctl/kernel.rst | 9 +++++++++ kernel/sysctl.c | 4 ++-- 2 files changed, 11 insertions(+), 2 deletions(-) base-commit: 1ae7efb388540adc1653a51a3bc3b2c9cef5ec1a