lkml.org 
[lkml]   [2015]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 6/9] x86/intel_rdt: Add support for cache bit mask management


On Tue, 28 Jul 2015, Peter Zijlstra wrote:

> On Wed, Jul 01, 2015 at 03:21:07PM -0700, Vikas Shivappa wrote:
>> +static inline bool cbm_is_contiguous(unsigned long var)
>> +{
>> + unsigned long maxcbm = MAX_CBM_LENGTH;
>> + unsigned long first_bit, zero_bit;
>> +
>> + if (!var)
>> + return false;
>> +
>> + first_bit = find_next_bit(&var, maxcbm, 0);
>
> We actually have: find_first_bit().

will fix

Thanks,
Vikas

>
>> + zero_bit = find_next_zero_bit(&var, maxcbm, first_bit);
>> +
>> + if (find_next_bit(&var, maxcbm, zero_bit) < maxcbm)
>> + return false;
>> +
>> + return true;
>> +}
>


\
 
 \ /
  Last update: 2015-07-29 20:38    [W:0.216 / U:0.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site