|Subject:||Re: [PATCH 0/2] FLATMEM: allow memory to start at pfn != 0 [take #2]|
|From:||"Franck Bui-Huu" <firstname.lastname@example.org>|
|Date:||Mon, 12 Mar 2007 18:05:10 +0100|
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|References:||<email@example.com> <Pine.LNX.4.58.0703101034500.19007@Indigo2.Peter> <firstname.lastname@example.org> <Pine.LNX.4.58.0703121329450.440@Indigo2.Peter>|
On 3/12/07, peter fuerst <email@example.com> wrote:
You see the problem. Any occurrence of PAGE_OFFSET must be checked.
yes and whatever the scheme you propose...
the kernel-addresses. Moreover it would be desirable, if this macro really could be used throughout the kernel, e.g. by drivers, handling any reasonable kernel-address, which isn't possible in the page_offset scheme anyway.
Can you explain why the current use of pa() failed to handle all kernel address with a real example ? A few people reported that they had problem with KPHYS/CKSEG0 address mix for 64 bit kernels but as far I can see it was due to a miss configuration of their kernels. Of course I can be wrong but these people haven't given any feedbacks so far... Thanks -- Franck
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