linux-kernel - Re: [PATCH] UV: memory allocation at initialization

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Message-ID: <20081027131739.GE25371@elte.hu>
Date:	Mon, 27 Oct 2008 14:17:39 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Cliff Wickman <cpw@....com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] UV: memory allocation at initialization


* Cliff Wickman <cpw@....com> wrote:

> From: Cliff Wickman <cpw@....com>
> 
> UV initialization is currently called too late to call alloc_bootmem_pages().
> The current sequence is:
> 
>  start_kernel()
>    mem_init()
>      free_all_bootmem()           <--- discard of bootmem
>    rest_init()
>      kernel_init()
>        smp_prepare_cpus()
>        native_smp_prepare_cpus()
>          uv_system_init()         <--- uses alloc_bootmem_pages()
> 
> It should be calling kmalloc().
> 
> Diffed against 2.6.27 (linux-next)
> 
> Signed-off-by: Cliff Wickman <cpw@....com>
> ---
>  arch/x86/kernel/genx2apic_uv_x.c |    7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)

applied to tip/x86/urgent, thanks Cliff!

	Ingo
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