Re: [PATCH 3/3] KVM: use vcalloc/__vcalloc for very large allocations

[Andrew Morton]

On Tue,  8 Mar 2022 05:59:18 -0500 Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:

> Allocations whose size is related to the memslot size can be arbitrarily
> large.  Do not use kvzalloc/kvcalloc, as those are limited to "not crazy"
> sizes that fit in 32 bits.  Now that it is available, they can use either
> vcalloc or __vcalloc, the latter if accounting is required.
> 
> Cc: stable@xxxxxxxxxxxxxxx

Please fully describe the end user visible runtime effects when
proposing a -stable backport.  And when not proposing a -stable
backport, come to that...