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SubjectRe: [PATCH 1/1] Staging: zram: print the disk size in KB
On 12/14/2011 08:52 AM, Geert Uytterhoeven wrote:
> On Tue, Dec 13, 2011 at 06:16, Ajeet Yadav <ajeet.yadav.77@gmail.com> wrote:
>> From a5d5ba92b5af9134e617986884856334c377e1d0 Mon Sep 17 00:00:00 2001
>> From: Ajeet Yadav <ajeet.yadav.77@gmail.com>
>> Date: Mon, 12 Dec 2011 18:42:30 +0530
>> Subject: [PATCH 1/1] Staging: zram: print the disk size in KB
>>
>> Total memory size is in KB, but the zram disk size was not
>> printed in KB, correct the figure in KB units.
>
> Kelvin bytes?
>
>> Signed-off-by: Ajeet Yadav <ajeet.yadav.77@gmail.com>
>> ---
>> drivers/staging/zram/zram_drv.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
>> index 09de99f..ff591e3 100644
>> --- a/drivers/staging/zram/zram_drv.c
>> +++ b/drivers/staging/zram/zram_drv.c
>> @@ -126,7 +126,7 @@ static void zram_set_disksize(struct zram *zram,
>> size_t totalram_bytes)
>> "\tMemory Size: %zu kB\n"
>
> kilobytes? Either this ...
>
>> "\tSize you selected: %llu kB\n"
>
> ... and this should be KiB ...

I'm personally all for the international system of units, but there
are *a lot* of places in the kernel where the inaccurate kilo = 2^10
notation is used. I haven't checked, but I would guess that in kernel
kB stands more often for 1024 bytes than 1000 bytes.

Is there any coding rule about its usage?

Jerome

>
>> "Continuing anyway ...\n",
>> - totalram_bytes >> 10, zram->disksize
>> + totalram_bytes >> 10, zram->disksize >> 10
>
> ... or these should be / 1000 instead of >> 10.
>
>> );
>> }
>
> 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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