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SubjectRe: [PATCH v8 01/17] h8300: Assembly headers.
On 2015-04-20 at 08:13:17 +0200, Yoshinori Sato <ysato@users.sourceforge.jp> wrote:
[...]
> diff --git a/arch/h8300/include/asm/pgtable.h b/arch/h8300/include/asm/pgtable.h
> new file mode 100644
> index 0000000..8341db6
> --- /dev/null
> +++ b/arch/h8300/include/asm/pgtable.h
> @@ -0,0 +1,49 @@
> +#ifndef _H8300_PGTABLE_H
> +#define _H8300_PGTABLE_H
> +#include <asm-generic/pgtable-nopud.h>
> +#include <asm-generic/pgtable.h>
> +#define pgtable_cache_init() do { } while (0)
> +extern void paging_init(void);
> +#define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */
> +#define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */
> +#define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */
> +#define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */
> +#define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */
> +#define __swp_type(x) (0)
> +#define __swp_offset(x) (0)
> +#define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
> +#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
> +#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
> +#define kern_addr_valid(addr) (1)
> +#define pgprot_writecombine(prot) (prot)
> +#define pgprot_noncached pgprot_writecombine
> +
> +static inline int pte_file(pte_t pte) { return 0; }

No need to define pte_file() anymore, remap_file_pages(2) implementation
was replaced by emulation.

> +#define swapper_pg_dir ((pgd_t *) 0)
> +/*
> + * ZERO_PAGE is a global shared page that is always zero: used
> + * for zero-mapped memory areas etc..
> + */
> +#define ZERO_PAGE(vaddr) (virt_to_page(0))
> +
> +/*
> + * These would be in other places but having them here reduces the diffs.
> + */
> +extern unsigned int kobjsize(const void *objp);

This prototypes doesn't need to be defined here, it's already in
linux/mm.h which is included where kobjsize is used.

> +extern int is_in_rom(unsigned long);

This function is no longer defined nor used in the rest of the tree, no
need for this prototype as well.

[...]
> diff --git a/arch/h8300/include/asm/sh_bios.h b/arch/h8300/include/asm/sh_bios.h
> new file mode 100644
> index 0000000..9ce513c
> --- /dev/null
> +++ b/arch/h8300/include/asm/sh_bios.h
> @@ -0,0 +1,4 @@
> +#ifndef SH_BIOS_H
> +#define SH_BIOS_H
> +
> +#endif

Why this empty header? Can it be removed?


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