[PATCH v1 1/2] selftests/mm: Include linux/mman.h

Edward Liaw posted 2 patches 1 year, 8 months ago
[PATCH v1 1/2] selftests/mm: Include linux/mman.h
Posted by Edward Liaw 1 year, 8 months ago
thuge-gen defines MAP_HUGE_* macros that are provided by linux/mman.h
since 4.15. Removes the macros and includes linux/mman.h instead.

Signed-off-by: Edward Liaw <edliaw@google.com>
---
 tools/testing/selftests/mm/thuge-gen.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/tools/testing/selftests/mm/thuge-gen.c b/tools/testing/selftests/mm/thuge-gen.c
index ea7fd8fe2876..034635317935 100644
--- a/tools/testing/selftests/mm/thuge-gen.c
+++ b/tools/testing/selftests/mm/thuge-gen.c
@@ -15,6 +15,7 @@
 
 #define _GNU_SOURCE 1
 #include <sys/mman.h>
+#include <linux/mman.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <sys/ipc.h>
@@ -28,10 +29,6 @@
 #include "vm_util.h"
 #include "../kselftest.h"
 
-#define MAP_HUGE_2MB    (21 << MAP_HUGE_SHIFT)
-#define MAP_HUGE_1GB    (30 << MAP_HUGE_SHIFT)
-#define MAP_HUGE_SHIFT  26
-#define MAP_HUGE_MASK   0x3f
 #if !defined(MAP_HUGETLB)
 #define MAP_HUGETLB	0x40000
 #endif
-- 
2.45.1.467.gbab1589fc0-goog
Re: [PATCH v1 1/2] selftests/mm: Include linux/mman.h
Posted by Muhammad Usama Anjum 1 year, 8 months ago
On 6/6/24 3:36 AM, Edward Liaw wrote:
> thuge-gen defines MAP_HUGE_* macros that are provided by linux/mman.h
> since 4.15. Removes the macros and includes linux/mman.h instead.
> 
> Signed-off-by: Edward Liaw <edliaw@google.com>
> ---
>  tools/testing/selftests/mm/thuge-gen.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/tools/testing/selftests/mm/thuge-gen.c b/tools/testing/selftests/mm/thuge-gen.c
> index ea7fd8fe2876..034635317935 100644
> --- a/tools/testing/selftests/mm/thuge-gen.c
> +++ b/tools/testing/selftests/mm/thuge-gen.c
> @@ -15,6 +15,7 @@
>  
>  #define _GNU_SOURCE 1
>  #include <sys/mman.h>
> +#include <linux/mman.h>
>  #include <stdlib.h>
>  #include <stdio.h>
>  #include <sys/ipc.h>
> @@ -28,10 +29,6 @@
>  #include "vm_util.h"
>  #include "../kselftest.h"
>  
> -#define MAP_HUGE_2MB    (21 << MAP_HUGE_SHIFT)
> -#define MAP_HUGE_1GB    (30 << MAP_HUGE_SHIFT)
> -#define MAP_HUGE_SHIFT  26
> -#define MAP_HUGE_MASK   0x3f
Totally makes sense.
Reviewed-by: Muhammad Usama Anjum <usama.anju@collabora.com>

>  #if !defined(MAP_HUGETLB)
>  #define MAP_HUGETLB	0x40000
>  #endif

-- 
BR,
Muhammad Usama Anjum
Re: [PATCH v1 1/2] selftests/mm: Include linux/mman.h
Posted by Muhammad Usama Anjum 1 year, 8 months ago
On 6/7/24 2:44 PM, Muhammad Usama Anjum wrote:
> On 6/6/24 3:36 AM, Edward Liaw wrote:
>> thuge-gen defines MAP_HUGE_* macros that are provided by linux/mman.h
>> since 4.15. Removes the macros and includes linux/mman.h instead.
>>
>> Signed-off-by: Edward Liaw <edliaw@google.com>
>> ---
>>  tools/testing/selftests/mm/thuge-gen.c | 5 +----
>>  1 file changed, 1 insertion(+), 4 deletions(-)
>>
>> diff --git a/tools/testing/selftests/mm/thuge-gen.c b/tools/testing/selftests/mm/thuge-gen.c
>> index ea7fd8fe2876..034635317935 100644
>> --- a/tools/testing/selftests/mm/thuge-gen.c
>> +++ b/tools/testing/selftests/mm/thuge-gen.c
>> @@ -15,6 +15,7 @@
>>  
>>  #define _GNU_SOURCE 1
>>  #include <sys/mman.h>
>> +#include <linux/mman.h>
>>  #include <stdlib.h>
>>  #include <stdio.h>
>>  #include <sys/ipc.h>
>> @@ -28,10 +29,6 @@
>>  #include "vm_util.h"
>>  #include "../kselftest.h"
>>  
>> -#define MAP_HUGE_2MB    (21 << MAP_HUGE_SHIFT)
>> -#define MAP_HUGE_1GB    (30 << MAP_HUGE_SHIFT)
>> -#define MAP_HUGE_SHIFT  26
>> -#define MAP_HUGE_MASK   0x3f
> Totally makes sense.
> Reviewed-by: Muhammad Usama Anjum <usama.anju@collabora.com>
Fixing typo:
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>

> 
>>  #if !defined(MAP_HUGETLB)
>>  #define MAP_HUGETLB	0x40000
>>  #endif
> 

-- 
BR,
Muhammad Usama Anjum
Re: [PATCH v1 1/2] selftests/mm: Include linux/mman.h
Posted by Carlos Llamas 1 year, 8 months ago
On Wed, Jun 05, 2024 at 10:36:34PM +0000, Edward Liaw wrote:
> thuge-gen defines MAP_HUGE_* macros that are provided by linux/mman.h
> since 4.15. Removes the macros and includes linux/mman.h instead.
> 
> Signed-off-by: Edward Liaw <edliaw@google.com>
> ---
>  tools/testing/selftests/mm/thuge-gen.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/tools/testing/selftests/mm/thuge-gen.c b/tools/testing/selftests/mm/thuge-gen.c
> index ea7fd8fe2876..034635317935 100644
> --- a/tools/testing/selftests/mm/thuge-gen.c
> +++ b/tools/testing/selftests/mm/thuge-gen.c
> @@ -15,6 +15,7 @@
>  
>  #define _GNU_SOURCE 1
>  #include <sys/mman.h>
> +#include <linux/mman.h>
>  #include <stdlib.h>
>  #include <stdio.h>
>  #include <sys/ipc.h>
> @@ -28,10 +29,6 @@
>  #include "vm_util.h"
>  #include "../kselftest.h"
>  
> -#define MAP_HUGE_2MB    (21 << MAP_HUGE_SHIFT)
> -#define MAP_HUGE_1GB    (30 << MAP_HUGE_SHIFT)
> -#define MAP_HUGE_SHIFT  26
> -#define MAP_HUGE_MASK   0x3f
>  #if !defined(MAP_HUGETLB)
>  #define MAP_HUGETLB	0x40000
>  #endif
> -- 
> 2.45.1.467.gbab1589fc0-goog
> 

This makes sense to me, particularly when other mm selftests are using
the same include pattern.

Reviewed-by: Carlos Llamas <cmllamas@google.com>