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    SubjectRe: [PATCH 2/3] ARM: Add static kernel function stack size analyzer, for ARM
    > 
    > I thought we now had a gcc option for this. gcc documentation points to -Wstack-usage=XXX.
    > This was first introduced on s390 in architecture specific gcc code, but should now work
    > everywhere.

    CONFIG_FRAME_WARN=...

    Has been there forever for any architecture.

    -Andi


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