Re: [PATCH] Fix mlockall for PROT_NONE mappings

[Linus Torvalds]

On 9 Oct 2003, Andi Kleen wrote:
> 
> I don't think so. mlockall() should never split anything.

Mut mlock_fixup() _also_ does:
 - set the VM_LOCKED bit
 - do page locked accounting.

So if you don't call it, you may have interesting problems later on.

		Linus

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