lkml.org 
[lkml]   [2017]   [Nov]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] selftests/vm: Add tests validating mremap mirror functionality
From
Date
On 10/29/2017 09:18 PM, Anshuman Khandual wrote:
> This adds two tests to validate mirror functionality with mremap()
> system call on shared and private anon mappings. After the commit
> dba58d3b8c5 ("mm/mremap: fail map duplication attempts for private
> mappings"), any attempt to mirror private anon mapping will fail.
>
> Suggested-by: Mike Kravetz <mike.kravetz@oracle.com>
> Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
> ---
> Changes in V4:
>
> - Folded these two test files into just one as per Mike
> - Did some renaming of functions, cleans ups etc
>
> Changes in V3: (https://patchwork.kernel.org/patch/10013469/)
>
> - Fail any attempts to mirror an existing anon private mapping
> - Updated run_vmtests to include these new mremap tests
> - Updated the commit message
>
> Changes in V2: (https://patchwork.kernel.org/patch/9861259/)
>
> - Added a test for private anon mappings
> - Used sysconf(_SC_PAGESIZE) instead of hard coding page size
> - Used MREMAP_MAYMOVE instead of hard coding the flag value 1
>
> Original V1: (https://patchwork.kernel.org/patch/9854415/)

Thanks. I will queue this up for 4.15-rc1

-- Shuah

\
 
 \ /
  Last update: 2017-11-01 22:37    [W:0.036 / U:1.540 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site