Re: [RFC] Cleanup line-wrapping in pgtable.h

[Pavel Machek]

Hi!

> The line-wrapping in most of the include/asm/pgtable.h pte test/set
> macros looks horrible in my 80 column terminal.  The following "test the
> waters" patch is how I would like to see them laid out.  I realize that
> the braces don't adhere to CodingStyle but the advantage is (when taking
> wrapping into account) that the code takes up no additional space.  How
> do people feel about making this change?  Any better suggestions?  I
> personally wouldn't like a lone closing brace like normal functions
> because of the extra lines eaten.  I volunteer to patch up the other
> architectures if we reach a consensus.

I'm afraid that original version looks better than new one...
								Pavel


> Signed-off-by: Adam Litke <agl@xxxxxxxxxx>
> 
>  pgtable.h |   51 ++++++++++++++++++++++++++++++++++-----------------
>  1 files changed, 34 insertions(+), 17 deletions(-)
> diff -upN reference/include/asm-i386/pgtable.h current/include/asm-i386/pgtable.h
> --- reference/include/asm-i386/pgtable.h
> +++ current/include/asm-i386/pgtable.h
> @@ -215,28 +215,45 @@ extern unsigned long pg0[];
>   * The following only work if pte_present() is true.
>   * Undefined behaviour if not..
>   */
> -static inline int pte_user(pte_t pte)		{ return (pte).pte_low & _PAGE_USER; }
> -static inline int pte_read(pte_t pte)		{ return (pte).pte_low & _PAGE_USER; }
> -static inline int pte_dirty(pte_t pte)		{ return (pte).pte_low & _PAGE_DIRTY; }
> -static inline int pte_young(pte_t pte)		{ return (pte).pte_low & _PAGE_ACCESSED; }
> -static inline int pte_write(pte_t pte)		{ return (pte).pte_low & _PAGE_RW; }
> +static inline int pte_user(pte_t pte)
> +	{ return (pte).pte_low & _PAGE_USER; }
> +static inline int pte_read(pte_t pte)
> +	{ return (pte).pte_low & _PAGE_USER; }
> +static inline int pte_dirty(pte_t pte)
> +	{ return (pte).pte_low & _PAGE_DIRTY; }
> +static inline int pte_young(pte_t pte)
> +	{ return (pte).pte_low & _PAGE_ACCESSED; }
> +static inline int pte_write(pte_t pte)
> +	{ return (pte).pte_low & _PAGE_RW; }
>  
>  /*
>   * The following only works if pte_present() is not true.
>   */
> -static inline int pte_file(pte_t pte)		{ return (pte).pte_low & _PAGE_FILE; }
> +static inline int pte_file(pte_t pte)
> +	{ return (pte).pte_low & _PAGE_FILE; }
>  
> -static inline pte_t pte_rdprotect(pte_t pte)	{ (pte).pte_low &= ~_PAGE_USER; return pte; }
> -static inline pte_t pte_exprotect(pte_t pte)	{ (pte).pte_low &= ~_PAGE_USER; return pte; }
> -static inline pte_t pte_mkclean(pte_t pte)	{ (pte).pte_low &= ~_PAGE_DIRTY; return pte; }
> -static inline pte_t pte_mkold(pte_t pte)	{ (pte).pte_low &= ~_PAGE_ACCESSED; return pte; }
> -static inline pte_t pte_wrprotect(pte_t pte)	{ (pte).pte_low &= ~_PAGE_RW; return pte; }
> -static inline pte_t pte_mkread(pte_t pte)	{ (pte).pte_low |= _PAGE_USER; return pte; }
> -static inline pte_t pte_mkexec(pte_t pte)	{ (pte).pte_low |= _PAGE_USER; return pte; }
> -static inline pte_t pte_mkdirty(pte_t pte)	{ (pte).pte_low |= _PAGE_DIRTY; return pte; }
> -static inline pte_t pte_mkyoung(pte_t pte)	{ (pte).pte_low |= _PAGE_ACCESSED; return pte; }
> -static inline pte_t pte_mkwrite(pte_t pte)	{ (pte).pte_low |= _PAGE_RW; return pte; }
> -static inline pte_t pte_mkhuge(pte_t pte)	{ (pte).pte_low |= _PAGE_PRESENT | _PAGE_PSE; return pte; }
> +static inline pte_t pte_rdprotect(pte_t pte)
> +	{ (pte).pte_low &= ~_PAGE_USER; return pte; }
> +static inline pte_t pte_exprotect(pte_t pte)
> +	{ (pte).pte_low &= ~_PAGE_USER; return pte; }
> +static inline pte_t pte_mkclean(pte_t pte)
> +	{ (pte).pte_low &= ~_PAGE_DIRTY; return pte; }
> +static inline pte_t pte_mkold(pte_t pte)
> +	{ (pte).pte_low &= ~_PAGE_ACCESSED; return pte; }
> +static inline pte_t pte_wrprotect(pte_t pte)
> +	{ (pte).pte_low &= ~_PAGE_RW; return pte; }
> +static inline pte_t pte_mkread(pte_t pte)
> +	{ (pte).pte_low |= _PAGE_USER; return pte; }
> +static inline pte_t pte_mkexec(pte_t pte)
> +	{ (pte).pte_low |= _PAGE_USER; return pte; }
> +static inline pte_t pte_mkdirty(pte_t pte)
> +	{ (pte).pte_low |= _PAGE_DIRTY; return pte; }
> +static inline pte_t pte_mkyoung(pte_t pte)
> +	{ (pte).pte_low |= _PAGE_ACCESSED; return pte; }
> +static inline pte_t pte_mkwrite(pte_t pte)
> +	{ (pte).pte_low |= _PAGE_RW; return pte; }
> +static inline pte_t pte_mkhuge(pte_t pte)
> +	{ (pte).pte_low |= _PAGE_PRESENT | _PAGE_PSE; return pte; }
>  
>  #ifdef CONFIG_X86_PAE
>  # include <asm/pgtable-3level.h>

-- 
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