Re: [crash] Re: Latest brk patchset

[H. Peter Anvin]

Jeremy Fitzhardinge wrote:
> Well, its a bit more complex than that; we'd need to make it conditional 
> on the user/kernel split, which seems all a bit fiddly.  I guess it 
> could be something like:
>
> MAPPING_BEYOND_END = PAGE_TABLE_SIZE((1<<(32-PAGE_SHIFT)) - (PAGE_OFFSET 
> / PAGE_SIZE)) * PAGE_SIZE

Or simplified:

PAGE_TABLE_SIZE(((1 << 32)-PAGE_OFFSET) >> PAGE_SHIFT) << PAGE_SHIFT

	-hpa

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