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[sysctl] Fix breakage on systems with older glibc

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As predicted during code review, the sysctl(2) changes made systems with
old glibc nearly unusable.  About every command gives a:

  warning: process `ls' used the deprecated sysctl system call with 1.4

warning in the log.

I see this on a SUSE 10.0 system with glibc 2.3.5.

Don't warn for this common case.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andi Kleen 2009-12-16 12:28:44 +01:00 committed by Linus Torvalds
parent 288f02bbb6
commit 61cf693159
1 changed files with 7 additions and 0 deletions
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7
kernel/sysctl_binary.c
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@ -1399,6 +1399,13 @@ static void deprecated_sysctl_warning(const int *name, int nlen)
{ {
int i; int i;
/*
* CTL_KERN/KERN_VERSION is used by older glibc and cannot
* ever go away.
*/
if (name[0] == CTL_KERN && name[1] == KERN_VERSION)
return;
if (printk_ratelimit()) { if (printk_ratelimit()) {
printk(KERN_INFO printk(KERN_INFO
"warning: process `%s' used the deprecated sysctl " "warning: process `%s' used the deprecated sysctl "