optimize compat_core_sys_select() by a using stack space for small fd sets
Optimize select by a using stack space for small fd sets. core_sys_select() already has this optimization. This is for compat version. Signed-off-by: NBadari Pulavarty <pbadari@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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