sh: Disable 4kB stacks when using PAGE_SIZE_64KB.
This combination triggers a divide by zero in kernel/fork.c when calculating the initial max_threads value: max_threads = mempages / (8 * THREAD_SIZE / PAGE_SIZE); Simply disable 4K stacks on 64kB PAGE_SIZE to work around this, as it's not a terribly useful combination to begin with. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -82,7 +82,7 @@ config DEBUG_STACK_USAGE
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config 4KSTACKS
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config 4KSTACKS
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bool "Use 4Kb for kernel stacks instead of 8Kb"
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bool "Use 4Kb for kernel stacks instead of 8Kb"
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depends on DEBUG_KERNEL && (MMU || BROKEN)
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depends on DEBUG_KERNEL && (MMU || BROKEN) && !PAGE_SIZE_64KB
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help
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help
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If you say Y here the kernel will use a 4Kb stacksize for the
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If you say Y here the kernel will use a 4Kb stacksize for the
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kernel stack attached to each process/thread. This facilitates
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kernel stack attached to each process/thread. This facilitates
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