On 02/03/2015 04:48 PM, Michal Hocko wrote: > Hi, > I am not sure why we have: > " > EAGAIN fork() cannot allocate sufficient memory to copy the parent's > page tables and allocate a task structure for the child. > " > but it doesn't seem to reflect the reality. The text seems to be there > from the time when man-pages were moved to git so there is no history > for it. Unless I am missing something we need the patch below. > > Thanks! Thanks, Michal. Applied. Cheers, Michael > --- >>From 9d56f4b46d604fc52aed6d87aac8fa5719ede058 Mon Sep 17 00:00:00 2001 > From: Michal Hocko <mhocko@xxxxxxx> > Date: Tue, 3 Feb 2015 16:34:45 +0100 > Subject: [PATCH] fork.2: EAGAIN is not reported when task allocation fails > > The man page currently claims: > " > EAGAIN fork() cannot allocate sufficient memory to copy the parent's > page tables and allocate a task structure for the child. > " > > but the kernel reports both dup_task_struct and dup_mm failures as > ENOMEM to the userspace. This seems to be the case from early 2.x times > so let's simply remove this part. > > Signed-off-by: Michal Hocko <mhocko@xxxxxxx> > --- > man2/fork.2 | 5 ----- > 1 file changed, 5 deletions(-) > > diff --git a/man2/fork.2 b/man2/fork.2 > index e6695ade6f76..6aa91a93e545 100644 > --- a/man2/fork.2 > +++ b/man2/fork.2 > @@ -185,11 +185,6 @@ is set appropriately. > .SH ERRORS > .TP > .B EAGAIN > -.BR fork () > -cannot allocate sufficient memory to copy the parent's page tables and > -allocate a task structure for the child. > -.TP > -.B EAGAIN > \" NOTE! The following should match the description in pthread_create(3) > A system-imposed limit on the number of threads was encountered. > There are a number of limits that may trigger this error: the > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
