Re: [PATCH 05/13] vmcore: modify ELF32 code according to new type

From: Vivek Goyal
Date: Fri Feb 15 2013 - 10:31:08 EST


On Thu, Feb 14, 2013 at 07:12:10PM +0900, HATAYAMA Daisuke wrote:
> On elf32 mmap() is not supported. All vmcore objects are in old
> memory.

This is odd. Why can't we support mmap() when 32bit headers have been
prepared?

Thanks
Vivek

>
> Signed-off-by: HATAYAMA Daisuke <d.hatayama@xxxxxxxxxxxxxx>
> ---
>
> fs/proc/vmcore.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
> index 43d338a..7e3f922 100644
> --- a/fs/proc/vmcore.c
> +++ b/fs/proc/vmcore.c
> @@ -389,6 +389,7 @@ static int __init merge_note_headers_elf32(char *elfptr, size_t *elfsz,
> kfree(notes_section);
> return -ENOMEM;
> }
> + new->type = VMCORE_OLD_MEMORY;
> new->paddr = phdr_ptr->p_offset;
> new->size = real_sz;
> list_add_tail(&new->list, vc_list);
> @@ -486,6 +487,7 @@ static int __init process_ptload_program_headers_elf32(char *elfptr,
> new = get_new_element();
> if (!new)
> return -ENOMEM;
> + new->type = VMCORE_OLD_MEMORY;
> new->paddr = phdr_ptr->p_offset;
> new->size = phdr_ptr->p_memsz;
> list_add_tail(&new->list, vc_list);
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