Re: [PATCH] i386: instead of poisoning .init zone, change protection bits to force a fault

[Benjamin LaHaise]

On Sun, Jan 29, 2006 at 09:04:44PM +0100, Eric Dumazet wrote:
> Chasing some invalid accesses to .init zone, I found that free_init_pages() 
> was properly freeing the pages but virtual was still usable.

This change will break the large table entries up, resulting in more TLB 
pressure and reducing performance, and so should only be activated as a 
debug option.

		-ben
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