[OpenAFS-devel] vmalloc memory leak in 1.3.84/85?

[Peter Somogyi]

Hi,

We've encountered into the same bug (vmalloc leak in afs client when klog many users, openafs-1.4.0-rc4).
Is the need to call "sysctl -w afs.GCPAGs=1" - when you don't want memleak - a bug, or it's by design?

On Thursday 28 July 2005 21.41, Chaskiel M Grundman wrote:
> --On Thursday, July 28, 2005 10:00:04 AM -0700 Miles Davis
>
> <miles@cs.stanford.edu> wrote:
> >> you could try enabling pag garbage collection
> >> sysctl -w afs.GCPAGs=1
> >
> > Huh... I had no idea those were there. The default seems to be 2 -- what
> > does that mean, and are these documented somewhere?
>
> Documentation on new features? hah.
>
> 2 is AFS_GCPAGS_USERDISABLED
> only a value of 1 (AFS_GCPAGS_OK) will cause the garbage collector to run.
> I think that the point of the non-zero disable value is because the macro
> AFS_GCPAGS is used both as a compile time directive (#if  AFS_GCPAGS), but
> is also the initializer for the run-time variable afs_gcpags (which is what
> the sysctl modifies and affects the runtime behavior of the code when it is
> compile-time enabled). There are other possible values for afs_gcpags,
> which indicate that the code disabled itself due to encountering an error
> while examining process lists.

-- 
Peter Somogyi
Software Developer, Gamax Ltd.
1114 Budapest, Bartok B. u 15/d
Tel.: +36-1-381-0544
e-mail: psomogyi@gamax.hu