[Webkit-unassigned] [Bug 209236] REGRESSION(r249808): [GTK] Crash in JSC Config::permanentlyFreeze() on architecture ppc64el

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209236

--- Comment #30 from Michael Catanzaro <mcatanzaro at gnome.org> ---
Hey Mark, how was ConfigSizeToProtect chosen?

#if !OS(WINDOWS)
constexpr size_t ConfigSizeToProtect = 16 * KB;
#else
constexpr size_t ConfigSizeToProtect = 4 * KB;
#endif

Is it supposed to match page size (in which case most Linux architectures should be using 4 KB rather than 16 KB)? Or is it desired to be exactly 16 KB everywhere regardless of page size unless page size is bigger than 16 KB? Why is Windows using 4 KB while everything else uses 16 KB?

Same question applies to the blockSize in MarkedBlock.h. In that case, the code is a bit more clear, and I guess the desired block size is min(16 KB, page size)?

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