Re: [PATCH v2 1/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up

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To: Mike Rapoport <rppt@xxxxxxxxxx>
Subject: Re: [PATCH v2 1/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up
From: Steven Rostedt <rostedt@xxxxxxxxxxx>
Date: Tue, 11 Jun 2024 13:34:18 -0400
Cc: Wei Yang <richard.weiyang@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Lorenzo Stoakes <lstoakes@xxxxxxxxx>, linux-mm@xxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, "Guilherme G. Piccoli" <gpiccoli@xxxxxxxxxx>, linux-hardening@xxxxxxxxxxxxxxx, Guenter Roeck <linux@xxxxxxxxxxxx>, Ross Zwisler <zwisler@xxxxxxxxxx>, wklin@xxxxxxxxxx, Vineeth Remanan Pillai <vineeth@xxxxxxxxxxxxxxx>, Joel Fernandes <joel@xxxxxxxxxxxxxxxxx>, Suleiman Souhlal <suleiman@xxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>
In-reply-to: <Zmh7t8kupN2pbCF0@kernel.org>
References: <20240606150143.876469296@goodmis.org> <20240606150316.751642266@goodmis.org> <20240611144029.h7egl4aif5mjlrwf@master> <20240611111218.71e57e0f@gandalf.local.home> <Zmh7t8kupN2pbCF0@kernel.org>

On Tue, 11 Jun 2024 19:30:47 +0300
Mike Rapoport <rppt@xxxxxxxxxx> wrote:

> > I don't know if we care what the align is. Zero is valid.  
> 
> memblock won't like zero align, it should be SMP_CACHE_BYTES at least.
> No point requiring it from user, just update the alignment if the user passed
> zero.

Thanks, will do in v4.

-- Steve

References:
- [PATCH v2 0/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up
  - From: Steven Rostedt
- [PATCH v2 1/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up
  - From: Steven Rostedt
- Re: [PATCH v2 1/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up
  - From: Wei Yang
- Re: [PATCH v2 1/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up
  - From: Steven Rostedt
- Re: [PATCH v2 1/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up
  - From: Mike Rapoport

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