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Date: Sun, 09 Aug 2009 08:41:33 +1000
From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
To: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
Cc: Christoph Lameter <cl@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-arch@...r.kernel.org,
Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Drop superfluous casts in nr_free_pages() callers
On Mon, 2009-08-03 at 18:11 +0200, Geert Uytterhoeven wrote:
> Commit 96177299416dbccb73b54e6b344260154a445375 ("Drop free_pages()")
> modified nr_free_pages() to return 'unsigned long' instead of 'unsigned int'.
> This made the casts to 'unsigned long' in most callers superfluous, hence
> remove them.
>
> Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
For arch/powerpc:
Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> ---
> Tested on ppc64 only
>
> arch/alpha/mm/init.c | 2 +-
> arch/alpha/mm/numa.c | 2 +-
> arch/arm/mm/init.c | 4 ++--
> arch/avr32/mm/init.c | 2 +-
> arch/cris/mm/init.c | 2 +-
> arch/ia64/mm/init.c | 2 +-
> arch/m32r/mm/init.c | 2 +-
> arch/m68k/mm/init.c | 2 +-
> arch/microblaze/mm/init.c | 2 +-
> arch/mips/mm/init.c | 2 +-
> arch/mn10300/mm/init.c | 2 +-
> arch/parisc/mm/init.c | 2 +-
> arch/powerpc/mm/mem.c | 2 +-
> arch/s390/mm/init.c | 2 +-
> arch/sh/mm/init.c | 2 +-
> arch/sparc/mm/init_32.c | 2 +-
> arch/um/kernel/mem.c | 2 +-
> arch/x86/mm/init_32.c | 2 +-
> arch/x86/mm/init_64.c | 2 +-
> arch/xtensa/mm/init.c | 2 +-
> 20 files changed, 21 insertions(+), 21 deletions(-)
>
> diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
> index af71d38..a0902c2 100644
> --- a/arch/alpha/mm/init.c
> +++ b/arch/alpha/mm/init.c
> @@ -299,7 +299,7 @@ printk_memory_info(void)
> initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
>
> printk("Memory: %luk/%luk available (%luk kernel code, %luk reserved, %luk data, %luk init)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> max_mapnr << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
> index 0eab557..10b4035 100644
> --- a/arch/alpha/mm/numa.c
> +++ b/arch/alpha/mm/numa.c
> @@ -349,7 +349,7 @@ void __init mem_init(void)
>
> printk("Memory: %luk/%luk available (%luk kernel code, %luk reserved, "
> "%luk data, %luk init)\n",
> - (unsigned long)nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> num_physpages << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
> index 8277802..bc927ee 100644
> --- a/arch/arm/mm/init.c
> +++ b/arch/arm/mm/init.c
> @@ -536,8 +536,8 @@ void __init mem_init(void)
>
> printk(KERN_NOTICE "Memory: %luKB available (%dK code, "
> "%dK data, %dK init, %luK highmem)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> - codesize >> 10, datasize >> 10, initsize >> 10,
> + nr_free_pages() << (PAGE_SHIFT-10), codesize >> 10,
> + datasize >> 10, initsize >> 10,
> (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
>
> if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
> diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
> index e819fa6..376f18c 100644
> --- a/arch/avr32/mm/init.c
> +++ b/arch/avr32/mm/init.c
> @@ -141,7 +141,7 @@ void __init mem_init(void)
>
> printk ("Memory: %luk/%luk available (%dk kernel code, "
> "%dk reserved, %dk data, %dk init)\n",
> - (unsigned long)nr_free_pages() << (PAGE_SHIFT - 10),
> + nr_free_pages() << (PAGE_SHIFT - 10),
> totalram_pages << (PAGE_SHIFT - 10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT - 10),
> diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c
> index 514f46a..ff68b9f 100644
> --- a/arch/cris/mm/init.c
> +++ b/arch/cris/mm/init.c
> @@ -54,7 +54,7 @@ mem_init(void)
> printk(KERN_INFO
> "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, "
> "%dk init)\n" ,
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> max_mapnr << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
> index b115b3b..1d28624 100644
> --- a/arch/ia64/mm/init.c
> +++ b/arch/ia64/mm/init.c
> @@ -655,7 +655,7 @@ mem_init (void)
> initsize = (unsigned long) __init_end - (unsigned long) __init_begin;
>
> printk(KERN_INFO "Memory: %luk/%luk available (%luk code, %luk reserved, "
> - "%luk data, %luk init)\n", (unsigned long) nr_free_pages() << (PAGE_SHIFT - 10),
> + "%luk data, %luk init)\n", nr_free_pages() << (PAGE_SHIFT - 10),
> num_physpages << (PAGE_SHIFT - 10), codesize >> 10,
> reserved_pages << (PAGE_SHIFT - 10), datasize >> 10, initsize >> 10);
>
> diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c
> index 24d429f..9f581df 100644
> --- a/arch/m32r/mm/init.c
> +++ b/arch/m32r/mm/init.c
> @@ -171,7 +171,7 @@ void __init mem_init(void)
>
> printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
> "%dk reserved, %dk data, %dk init)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> num_physpages << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
> index 0007b2a..774549a 100644
> --- a/arch/m68k/mm/init.c
> +++ b/arch/m68k/mm/init.c
> @@ -126,7 +126,7 @@ void __init mem_init(void)
> #endif
>
> printk("Memory: %luk/%luk available (%dk kernel code, %dk data, %dk init)\n",
> - (unsigned long)nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> totalram_pages << (PAGE_SHIFT-10),
> codepages << (PAGE_SHIFT-10),
> datapages << (PAGE_SHIFT-10),
> diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
> index 8d92c4e..506df16 100644
> --- a/arch/microblaze/mm/init.c
> +++ b/arch/microblaze/mm/init.c
> @@ -204,7 +204,7 @@ void __init mem_init(void)
> totalram_pages += free_all_bootmem();
>
> printk(KERN_INFO "Memory: %luk/%luk available\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> num_physpages << (PAGE_SHIFT-10));
> #ifdef CONFIG_MMU
> mem_init_done = 1;
> diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
> index 0e82050..1f9fced 100644
> --- a/arch/mips/mm/init.c
> +++ b/arch/mips/mm/init.c
> @@ -417,7 +417,7 @@ void __init mem_init(void)
>
> printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
> "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> ram << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c
> index 8cee387..ec14205 100644
> --- a/arch/mn10300/mm/init.c
> +++ b/arch/mn10300/mm/init.c
> @@ -112,7 +112,7 @@ void __init mem_init(void)
> "Memory: %luk/%luk available"
> " (%dk kernel code, %dk reserved, %dk data, %dk init,"
> " %ldk highmem)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT - 10),
> + nr_free_pages() << (PAGE_SHIFT - 10),
> max_mapnr << (PAGE_SHIFT - 10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT - 10),
> diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
> index b0831d9..d5aca31 100644
> --- a/arch/parisc/mm/init.c
> +++ b/arch/parisc/mm/init.c
> @@ -506,7 +506,7 @@ void __init mem_init(void)
> #endif
>
> printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init)\n",
> - (unsigned long)nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> num_physpages << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
> index 579382c..0e5c59b 100644
> --- a/arch/powerpc/mm/mem.c
> +++ b/arch/powerpc/mm/mem.c
> @@ -372,7 +372,7 @@ void __init mem_init(void)
>
> printk(KERN_INFO "Memory: %luk/%luk available (%luk kernel code, "
> "%luk reserved, %luk data, %luk bss, %luk init)\n",
> - (unsigned long)nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> num_physpages << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
> index c634dfb..19f73cb 100644
> --- a/arch/s390/mm/init.c
> +++ b/arch/s390/mm/init.c
> @@ -105,7 +105,7 @@ void __init mem_init(void)
> datasize = (unsigned long) &_edata - (unsigned long) &_etext;
> initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
> printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, %ldk data, %ldk init)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> max_mapnr << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
> index fe532ae..3161a27 100644
> --- a/arch/sh/mm/init.c
> +++ b/arch/sh/mm/init.c
> @@ -224,7 +224,7 @@ void __init mem_init(void)
>
> printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
> "%dk data, %dk init)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> num_physpages << (PAGE_SHIFT-10),
> codesize >> 10,
> datasize >> 10,
> diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
> index 26bb391..ef05f5e 100644
> --- a/arch/sparc/mm/init_32.c
> +++ b/arch/sparc/mm/init_32.c
> @@ -468,7 +468,7 @@ void __init mem_init(void)
> reservedpages++;
>
> printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> num_physpages << (PAGE_SHIFT - 10),
> codepages << (PAGE_SHIFT-10),
> reservedpages << (PAGE_SHIFT - 10),
> diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
> index 61d7e61..a5d5e70 100644
> --- a/arch/um/kernel/mem.c
> +++ b/arch/um/kernel/mem.c
> @@ -77,7 +77,7 @@ void __init mem_init(void)
> num_physpages = totalram_pages;
> max_pfn = totalram_pages;
> printk(KERN_INFO "Memory: %luk available\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10));
> + nr_free_pages() << (PAGE_SHIFT-10));
> kmalloc_ok = 1;
>
> #ifdef CONFIG_HIGHMEM
> diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
> index 3cd7711..95e877f 100644
> --- a/arch/x86/mm/init_32.c
> +++ b/arch/x86/mm/init_32.c
> @@ -892,7 +892,7 @@ void __init mem_init(void)
>
> printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
> "%dk reserved, %dk data, %dk init, %ldk highmem)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> num_physpages << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
> index 6176fe8..44f82a6 100644
> --- a/arch/x86/mm/init_64.c
> +++ b/arch/x86/mm/init_64.c
> @@ -687,7 +687,7 @@ void __init mem_init(void)
>
> printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
> "%ldk absent, %ldk reserved, %ldk data, %ldk init)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> max_pfn << (PAGE_SHIFT-10),
> codesize >> 10,
> absent_pages << (PAGE_SHIFT-10),
> diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
> index 427e14f..cdbc27c 100644
> --- a/arch/xtensa/mm/init.c
> +++ b/arch/xtensa/mm/init.c
> @@ -203,7 +203,7 @@ void __init mem_init(void)
>
> printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, "
> "%ldk data, %ldk init %ldk highmem)\n",
> - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
> + nr_free_pages() << (PAGE_SHIFT-10),
> ram << (PAGE_SHIFT-10),
> codesize >> 10,
> reservedpages << (PAGE_SHIFT-10),
> --
> 1.6.2.4
>
> With kind regards,
>
> Geert Uytterhoeven
> Software Architect
> Techsoft Centre
>
> Technology and Software Centre Europe
> The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium
>
> Phone: +32 (0)2 700 8453
> Fax: +32 (0)2 700 8622
> E-mail: Geert.Uytterhoeven@...ycom.com
> Internet: http://www.sony-europe.com/
>
> A division of Sony Europe (Belgium) N.V.
> VAT BE 0413.825.160 · RPR Brussels
> Fortis · BIC GEBABEBB · IBAN BE41293037680010
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