On Thu, 7 Dec 2000, Tigran Aivazian wrote:
> On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> > Read the whole get_empty_filp function, especially this part, note the
> > goto new_one below and the part you didn't include above [from
> > the new_one label],
> >
> > if (files_stat.nr_file
On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> Read the whole get_empty_filp function, especially this part, note the
> goto new_one below and the part you didn't include above [from
> the new_one label],
>
> if (files_stat.nr_files < files_stat.max_files) {
> file_list_
On Thu, 7 Dec 2000, Tigran Aivazian wrote:
> On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> > again. The failed logic is also clear from the kernel code [user
> > happily allocates when freelist < NR_RESERVED_FILES].
>
> is it clear to you? it is not clear to me, or rather the opposite seems
>
On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> again. The failed logic is also clear from the kernel code [user
> happily allocates when freelist < NR_RESERVED_FILES].
is it clear to you? it is not clear to me, or rather the opposite seems
clear. This is what the code looks like (in 2.4):
stru
On Thu, 7 Dec 2000, Tigran Aivazian wrote:
> On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> > On Thu, 7 Dec 2000, Tigran Aivazian wrote:
> > > On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> > > > Reserved fd's for superuser doesn't work.
> > > It does actually work,
> >
> > What do you mean u
On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> On Thu, 7 Dec 2000, Tigran Aivazian wrote:
> > On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> > > Reserved fd's for superuser doesn't work.
> > It does actually work,
>
> What do you mean under "work"? I meant user apps are able to
> exhaust fd's
On Thu, 7 Dec 2000, Tigran Aivazian wrote:
> On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> > Reserved fd's for superuser doesn't work.
> It does actually work,
What do you mean under "work"? I meant user apps are able to
exhaust fd's completely and none is left for superuser.
> but remember
Hi,
Another comment on your patch. You removed the goto used_one (probably a
good idea, I hated it as well and preferred to put it into the if()) but
you forgot to remove the label itself.
Regards,
Tigran
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On Thu, 7 Dec 2000, Szabolcs Szakacsits wrote:
> Reserved fd's for superuser doesn't work.
It does actually work, but remember that the concept of "reserved file
structures for superuser" is defined as "file structures to be taken from
the freelist" whereas your patch below:
> + total_free =
Reserved fd's for superuser doesn't work. Patch for 2.2 is below,
kernel 2.4.x also has this problem, fix is similar. The default
NR_RESERVED_FILES value also had to be increased (e.g. ssh, login
needs 36, ls 16, man 45 fd's, etc).
BTW, I have an updated version of my reserved VM for superuser +
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