Re: [PATCH v3 31/35] lib: add memory allocations report in show_mem()

From: Steven Rostedt
Date: Mon Feb 12 2024 - 19:47:28 EST


On Mon, 12 Feb 2024 16:10:02 -0800
Kees Cook <keescook@xxxxxxxxxxxx> 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