lkml.org 
[lkml]   [2016]   [Jul]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mm: gup: Re-define follow_page_mask output parameter page_mask usage
On Sun, 10 Jul 2016 01:17:05 +0800 chengang@emindsoft.com.cn wrote:

> For a pure output parameter:
>
> - When callee fails, the caller should not assume the output parameter
> is still valid.
>
> - And callee should not assume the pure output parameter must be
> provided by caller -- caller has right to pass NULL when caller does
> not care about it.

Sorry, I don't think this one is worth merging really.

\
 
 \ /
  Last update: 2016-07-12 00:01    [W:0.063 / U:0.328 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site