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    SubjectRe: mmap dirty limits on 32 bit kernels (Was: [BUG] New Kernel Bugs)
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    On Thu, 2007-11-15 at 21:59 +0100, Peter Zijlstra wrote:
    > On Thu, 2007-11-15 at 12:56 -0800, Linus Torvalds wrote:
    > >
    > > On Thu, 15 Nov 2007, Peter Zijlstra wrote:
    > > >
    > > > Something like this ought to do I guess. Although my
    > > > mapping_is_buffercache() is the ugliest thing. I'm sure that can be done
    > > > better.
    > >
    > > No, this absolutely sucks.
    >
    > Agreed, I was just about to send out an email saying that.

    Say all buffer cache users were against default_backing_dev_info, and
    we'd give default_backing_dev_info less, that should work out, right?

    ( I'm not yet clear on if buffer cache already uses
    default_backing_dev_info or not, bdget() seems to suggest it does )





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