Re: [PATCH v3 7/7] mm, slab: shorten kmalloc cache names for large sizes

From: Vlastimil Babka
Date: Tue Jul 31 2018 - 04:55:45 EST


On 07/30/2018 05:48 PM, Christopher Lameter wrote:
> On Wed, 18 Jul 2018, Vlastimil Babka wrote:
>
>> +static const char *
>> +kmalloc_cache_name(const char *prefix, unsigned int size)
>> +{
>> +
>> + static const char units[3] = "\0kM";
>> + int idx = 0;
>> +
>> + while (size >= 1024 && (size % 1024 == 0)) {
>> + size /= 1024;
>> + idx++;
>> + }
>> +
>> + return kasprintf(GFP_NOWAIT, "%s-%u%c", prefix, size, units[idx]);
>> +}
>
> This is likely to occur elsewhere in the kernel. Maybe generalize it a
> bit?

I'll try later on top, as that's generic printf code then.

> Acked-by: Christoph Lameter <cl@xxxxxxxxx>

Thanks for all acks.

> --
> To unsubscribe from this list: send the line "unsubscribe linux-api" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>