Re: Memory leak in 2.4.27 kernel, using mmap raw packet sockets

[Alan Cox]

On Maw, 2004-10-19 at 15:35, Marcelo Tosatti wrote:
> > That isnt sufficient. Consider anything else taking a reference to the
> > page and the refcount going negative. 
> 
> You mean not going negative? The problem here as I understand here is 
> we dont release the count if the PageReserved is set, but we should.

Drivers like the OSS audio drivers move page between Reserved and 
unreserved. The count can thus be corrupted.


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