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    SubjectRe: [PATCH 3/3] ARM 4Kstacks: Decrease poll and select stack usage, when using 4K stacks
    On Wednesday 19 October 2011, Tim Bird wrote:
    > Reduce the max allowed size for struct poll_wqueue to avoid
    > using too much stack space in do_select() and do_sys_poll(),
    > when the kernel is using 4K stacks.
    > Signed-off-by: Tim Bird <>

    Can you explain why this is necessary with 4K stacks? I would
    expect the poll() function never to be deeply nested, so 1K
    used in there doesn't sound too problematic.


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      Last update: 2011-10-20 14:25    [W:0.020 / U:31.208 seconds]
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