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[PATCH] Make RLIMIT_NICE ranges consistent with getpriority(2)

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As suggested by Michael Kerrisk <mtk-manpages@gmx.net>, make RLIMIT_NICE
consistent with getpriority before it becomes available in released glibc.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Matt Mackall 2005-08-18 11:24:19 -07:00 committed by Linus Torvalds
parent 6cbe9de7a4
commit 024f474795
1 changed files with 2 additions and 2 deletions
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4
kernel/sched.c
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@ -3378,8 +3378,8 @@ EXPORT_SYMBOL(set_user_nice);
*/
int can_nice(const task_t *p, const int nice)
{
/* convert nice value [19,-20] to rlimit style value [0,39] */
int nice_rlim = 19 - nice;
/* convert nice value [19,-20] to rlimit style value [1,40] */
int nice_rlim = 20 - nice;
return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
capable(CAP_SYS_NICE));
}