Re: [PATCH v3] MIPS: mm: kmalloc tlb_vpn array to avoid stack overflow

[Maciej W. Rozycki]

On Thu, 27 Nov 2025, Maciej W. Rozycki wrote:

> From: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> 
> Owing to Config4.MMUSizeExt and VTLB/FTLB MMU features later MIPSr2+ 
> cores can have more than 64 TLB entries.  Therefore allocate an array 
> for uniquification instead of placing too small an array on the stack.
> 
> Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxxx>
> Fixes: 9f048fa48740 ("MIPS: mm: Prevent a TLB shutdown on initial uniquification")
> Cc: stable@xxxxxxxxxxxxxxx
> ---

 Please scrap this version.  I've sent v4 with tags updates as I didn't 
realise stable backports haven't been pushed yet.  So this will best be 
sorted with a cherry-pick tag meaning no regression in the stable trees 
except for the single place between the two consecutive commits.

  Maciej