linux-kernel - Re: [PATCH v3 31/35] lib: add memory allocations report in show

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Message-ID: <20240212192242.44493392@gandalf.local.home>
Date: Mon, 12 Feb 2024 19:22:42 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Kees Cook <keescook@...omium.org>
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Subject: Re: [PATCH v3 31/35] lib: add memory allocations report in
 show_mem()

On Mon, 12 Feb 2024 16:10:02 -0800
Kees Cook <keescook@...omium.org> wrote:

> >  #endif
> > +#ifdef CONFIG_MEM_ALLOC_PROFILING
> > +	{
> > +		struct seq_buf s;
> > +		char *buf = kmalloc(4096, GFP_ATOMIC);  
> 
> Why 4096? Maybe use PAGE_SIZE instead?

Will it make a difference for architectures that don't have 4096 PAGE_SIZE?
Like PowerPC which has PAGE_SIZE of anywhere between 4K to 256K!

-- Steve