Re: [RFC][alpha] saner vmalloc handling (was Re: [Bug report] hash_name() may cross page boundary and trigger sleep in RCU context)

Next message: Steven Rostedt: "Re: [PATCH 3/3] tracing: move tracing declarations from kernel.h to a dedicated header"
Previous message: Al Viro: "Re: [RFC][alpha] saner vmalloc handling (was Re: [Bug report] hash_name() may cross page boundary and trigger sleep in RCU context)"
In reply to: Al Viro: "Re: [RFC][alpha] saner vmalloc handling (was Re: [Bug report] hash_name() may cross page boundary and trigger sleep in RCU context)"
Next in thread: Linus Torvalds: "Re: [RFC][alpha] saner vmalloc handling (was Re: [Bug report] hash_name() may cross page boundary and trigger sleep in RCU context)"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

From: Al Viro

Date: Sun Nov 30 2025 - 15:32:49 EST

On Sun, Nov 30, 2025 at 08:31:18PM +0000, Al Viro wrote:
> It certainly can happen on x86 - two vmalloc(SZ_4M) in parallel

32bit x86, that is.

> will do just that, but with NUMA you can get it 64bit boxen
> as well.