Messages in this thread | | | Date | Mon, 15 Dec 2014 12:23:01 +0100 | From | David Hildenbrand <> | Subject | Re: [PATCH v2 1/5] uaccess: add pagefault_count to thread_info |
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> On Wed, Dec 10, 2014 at 10:23 PM, David Hildenbrand > <dahi@linux.vnet.ibm.com> wrote: > > This patch adds the pagefault_count to the thread_info of all > > architectures. It will be used to count the pagefault_disable() levels > > on a per-thread basis. > > > > We are not reusing the preempt_count as this is per cpu on x86 and we want to > > demangle pagefault_disable() from preemption in the future. > > > > The new counter is added directly below the preempt_count, except for archs > > relying on a manual calculation of asm offsets - to minimize the changes. > > > Hi David > > Is this patchset targeted for 3.19? If yes, then we need this for > arch/nios2 as well (new arch in 3.19). >
Hi,
Peter just showed my that there is some work ongoing on that pagefault_disable() topic. So I am not sure if the arch-specific part of this series is still relevant.
But thanks for the info!
David
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