[Webkit-unassigned] [Bug 209236] REGRESSION(r249808): [GTK] Crash in JSC Config::permanentlyFreeze() on architectures ppc64el/s390x

[bugzilla-daemon at webkit.org]

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

--- Comment #23 from Michael Catanzaro <mcatanzaro at gnome.org> ---
(In reply to Mark Lam from comment #22)
> It's a pity that vmPageSize() is not available on non-cocoa ports, or this
> issue would be more clearly identified.

Looks like everything in ResourceUsage.h is guarded by #if PLATFORM(COCOA).

At least vmPageSize() would be very easy to implement. The Cocoa impl is:

size_t vmPageSize()
{
#if PLATFORM(IOS_FAMILY)
    return vm_kernel_page_size;
#else
    static size_t cached = sysconf(_SC_PAGESIZE);
    return cached;
#endif
}

The Linux impl would be 100% identical to the non-IOS_FAMILY path there. Just needs to return sysconf(_SC_PAGESIZE). There's also _SC_PAGE_SIZE, which is a synonym. Both of these are specified by POSIX.1, so they should work on every Unix, not just Linux.

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