Messages in this thread |  | | | Date | Wed, 01 Apr 2009 01:53:50 -0700 (PDT) | | Subject | Re: [GIT RFC] percpu: use dynamic percpu allocator as the default percpu allocator | | From | David Miller <> |
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From: Martin Schwidefsky <schwidefsky@de.ibm.com> Date: Wed, 1 Apr 2009 10:47:37 +0200
> We have thought about that solution as well but it not really a good > one. For a machine with more than 4GB of memory we would either loose > the memory that overlaps with the module area or we'd have to play > nasty remapping tricks. On s390 the kernel image is linked to address 0 > (PAGE_OFFSET==0) and we have a simple 1:1 mapping for all real memory.
Flexibility can often cost you a few TLB entries, but that's life :-)
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