Re: [PATCH][RFC] add MAP_UNLOCKED mmap flag

From: Olivier Galibert
Date: Wed Oct 07 2009 - 15:03:18 EST


On Tue, Oct 06, 2009 at 02:16:03PM +0200, Gleb Natapov wrote:
> I did. It allows me to achieve something I can't now. Steps you provide
> just don't fit my needs. I need all memory areas (current and feature) to be
> locked except one. Very big one. You propose to lock memory at some
> arbitrary point and from that point on all newly mapped memory areas will
> be unlocked. Don't you see it is different?

What about mlockall(MCL_CURRENT); mmap(...); mlockall(MCL_FUTURE);?
Or toggle MCL_FUTURE if a mlockall call can stop it?

OG.
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