Re: [PATCH bpf-next 1/3] mm/vmalloc: introduce vmalloc_exec which allocates RO+X memory

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On Wed, Jul 13, 2022 at 03:48:35PM +0000, Song Liu wrote:

> > So how about instead we separate them? Then much of the problem goes
> > away, you don't need to track these 2M chunks at all.
> 
> If we manage the memory in < 2MiB granularity, either 4kB or smaller, 
> we still need some way to track which parts are being used, no? I mean
> the bitmap.  

I was thinking the vmalloc vmap_area tree could help out there.



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