Re: [PATCH?] Crash in 2.4.17/ptrace

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Mon Jan 28 2002 - 17:05:31 EST


> For framebuffers addresses, there is no page structure, and then the
> page reference count updates read/write to random memory.

If it is a physical pci bus object why do we need to refcount it, surely
"no page" is ok. Its just up to the driver not to do anything stupid and
the core code to honour the pci/pci transfer quirks (or when faced with
a hard one just say "no")
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