On Sep 19, 2007, at 12:09 AM, Ed Swarthout wrote:
> Add memory regions to the kcore list for 32-bit machines.
> Since the entries are only 32-bit, keep under 4G.
>
> Signed-off-by: Ed Swarthout <[EMAIL PROTECTED]>
> ---
>
> Adapted from init_64.c
>
> arch/powerpc/mm/init_32.c | 34 ++++++++++++++++++++++++++++++++++
> 1 files changed, 34 insertions(+), 0 deletions(-)
>
> diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
> index d65995a..d804c65 100644
> --- a/arch/powerpc/mm/init_32.c
> +++ b/arch/powerpc/mm/init_32.c
> @@ -255,3 +255,37 @@ void free_initrd_mem(unsigned long start,
> unsigned long end)
> }
> }
> #endif
> +
should this be #ifdef CONFIG_PROC_KCORE protected?
> +static struct kcore_list kcore_vmem;
> +
> +static int __init setup_kcore(void)
> +{
> + int i;
> +
> + for (i=0; i < lmb.memory.cnt; i++) {
> + unsigned long base, size;
> + struct kcore_list *kcore_mem;
> +
> + base = lmb.memory.region[i].base;
> + size = lmb.memory.region[i].size;
> +
> + kcore_mem = kmalloc(sizeof(struct kcore_list), GFP_ATOMIC);
> + if (!kcore_mem)
> + panic("%s: kmalloc failed\n", __FUNCTION__);
> +
> + /* must stay under 32 bits */
> + if ( 0xfffffffful - (unsigned long)__va(base) < size) {
> + size = 0xfffffffful - (unsigned long)(__va(base));
> + printk(KERN_DEBUG "setup_kcore: restrict size=%lx\n",
> + size);
> + }
> +
> + kclist_add(kcore_mem, __va(base), size);
> + }
> +
> + kclist_add(&kcore_vmem, (void *)VMALLOC_START,
> + VMALLOC_END-VMALLOC_START);
> +
> + return 0;
> +}
> +module_init(setup_kcore);
> --
> 1.5.3.rc6.63.gf7c18
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-dev
