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    SubjectRe: [patch] add /proc/pid/stack to dump task's stack trace
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    On Fri, Nov 7, 2008 at 10:38 AM, Ken Chen <kenchen@google.com> wrote:
    >
    > Here is a patch convert to seq_file using proc_single_show() helper.
    > I don't see it to be any superior than what was before using
    > snprintf(). seq_read also allocate one page for printf buffer, so
    > functionally it is the same (perhaps a little bit better because it
    > can use the whole page, compare to PROC_BLOCK_SIZE currently).

    No - if you exceed the original buffer size, the seq_file system will
    double up the memory buffer and try again if necessary.

    Paul


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