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SubjectRe: [PATCH] Clean up asm/pgalloc.h include (m68k)
On Mon, 19 Apr 2004, Russell King wrote:
> On Mon, Apr 19, 2004 at 06:18:41PM +0200, Geert Uytterhoeven wrote:
> > Do you really need <asm/pgalloc.h> in include/asm-generic/tlb.h?
>
> Yes it does - tlb.h uses check_pgt_cache(). Also, architecture code
> makes use of __pmd_free_tlb and __pte_free_tlb, both of which make
> use of code from asm/pgalloc.h.
>
> Not including asm/pgalloc.h into asm/tlb.h or asm-generic/tlb.h means
> that all the generic files have to know that asm/tlb.h needs asm/pgalloc.h,
> and they also then need to know that asm/pgalloc.h needs asm/pgtable.h,
> and asm/pgtable.h needs ...
>
> Is there a reason why:
>
> static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *page)
> {
> tlb_remove_page(tlb, page);
> }
>
> can't be like x86 and others in their pgalloc.h:

(because we more like static inline functions than macros?)

> #define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
>
> (for consistency sake if nothing else) ?

Ah, I didn't look at ia32. That solution is fine for me!
Here's the additional patch:

--- linux-m68k-2.6.6-rc1-rmk/include/asm-m68k/sun3_pgalloc.h 2004-04-04 11:08:37.000000000 +0200
+++ linux-m68k-2.6.6-rc1-geert/include/asm-m68k/sun3_pgalloc.h 2004-04-19 18:37:37.000000000 +0200
@@ -31,10 +31,7 @@
__free_page(page);
}

-static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *page)
-{
- tlb_remove_page(tlb, page);
-}
+#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))

static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
Gr{oetje,eeting}s,
Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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