[zen-kernel-zen-kernel:5.13/lru 9/14] mm/vmscan.c:2911:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[zen-kernel-zen-kernel:5.13/lru 9/14] mm/vmscan.c:2911:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1164 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

tree:   https://github.com/zen-kernel/zen-kernel 5.13/lru
head:   6c0599d8df2c91043cffba0fbdd8c0fdc3297551
commit: 0c09e5f119fe208b6abf362197df921a81c18eea [9/14] mm: multigenerational lru: mm_struct list
:::::: branch date: 14 hours ago
:::::: commit date: 14 hours ago
config: sparc64-randconfig-c023-20210629 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


cocci warnings: (new ones prefixed by >>)
>> mm/vmscan.c:2911:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
   mm/vmscan.c:3067:15-21: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
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[PATCH] mm: multigenerational lru: fix flexible_array.cocci warnings

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1800 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

From: kernel test robot <lkp@intel.com>

mm/vmscan.c:2911:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
mm/vmscan.c:3067:15-21: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)


 Zero-length and one-element arrays are deprecated, see
 Documentation/process/deprecated.rst
 Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 0c09e5f119fe ("mm: multigenerational lru: mm_struct list")
CC: Yu Zhao <yuzhao@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://github.com/zen-kernel/zen-kernel 5.13/lru
head:   6c0599d8df2c91043cffba0fbdd8c0fdc3297551
commit: 0c09e5f119fe208b6abf362197df921a81c18eea [9/14] mm: multigenerational lru: mm_struct list
:::::: branch date: 14 hours ago
:::::: commit date: 14 hours ago

Please take the patch only if it's a positive warning. Thanks!

 vmscan.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2908,7 +2908,7 @@ struct lru_gen_mm_list {
 		int nr_workers;
 		/* stats for debugging */
 		unsigned long stats[NR_STAT_GENS][NR_MM_STATS];
-	} nodes[0];
+	} nodes[];
 };
 
 static struct lru_gen_mm_list *global_mm_list;
@@ -3064,7 +3064,7 @@ struct mm_walk_args {
 	int batch_size;
 	int nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
 	int mm_stats[NR_MM_STATS];
-	unsigned long bitmap[0];
+	unsigned long bitmap[];
 };
 
 static int size_of_mm_walk_args(void)

[zen:5.14/lru-v5 6/14] mm/vmscan.c:2946:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1162 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

tree:   https://github.com/zen-kernel/zen-kernel 5.14/lru-v5
head:   99e7c83f97caf5a659eadcd6d547d68ae648ab0d
commit: 3cf93f784702b891e31203fdc7e8f0017f5f0e87 [6/14] mm: multigenerational lru: mm_struct list
:::::: branch date: 2 weeks ago
:::::: commit date: 5 weeks ago
config: i386-randconfig-c001-20211011 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


cocci warnings: (new ones prefixed by >>)
>> mm/vmscan.c:2946:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
   mm/vmscan.c:3080:15-21: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
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[PATCH] mm: multigenerational lru: fix flexible_array.cocci warnings

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1801 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

From: kernel test robot <lkp@intel.com>

mm/vmscan.c:2946:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
mm/vmscan.c:3080:15-21: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)


 Zero-length and one-element arrays are deprecated, see
 Documentation/process/deprecated.rst
 Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 3cf93f784702 ("mm: multigenerational lru: mm_struct list")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://github.com/zen-kernel/zen-kernel 5.14/lru-v5
head:   99e7c83f97caf5a659eadcd6d547d68ae648ab0d
commit: 3cf93f784702b891e31203fdc7e8f0017f5f0e87 [6/14] mm: multigenerational lru: mm_struct list
:::::: branch date: 2 weeks ago
:::::: commit date: 5 weeks ago

Please take the patch only if it's a positive warning. Thanks!

 vmscan.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2943,7 +2943,7 @@ struct lru_gen_mm_list {
 		int nr_walkers;
 		/* stats for debugging */
 		unsigned long stats[NR_STAT_GENS][NR_MM_STATS];
-	} nodes[0];
+	} nodes[];
 };
 
 static struct lru_gen_mm_list *global_mm_list;
@@ -3077,7 +3077,7 @@ struct mm_walk_args {
 	int batch_size;
 	int nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
 	int mm_stats[NR_MM_STATS];
-	unsigned long bitmap[0];
+	unsigned long bitmap[];
 };
 
 static void reset_mm_stats(struct lru_gen_mm_list *mm_list, bool last,

[zen:5.14/lru-v5 6/14] mm/vmscan.c:2946:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1162 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

tree:   https://github.com/zen-kernel/zen-kernel 5.14/lru-v5
head:   99e7c83f97caf5a659eadcd6d547d68ae648ab0d
commit: 3cf93f784702b891e31203fdc7e8f0017f5f0e87 [6/14] mm: multigenerational lru: mm_struct list
:::::: branch date: 6 hours ago
:::::: commit date: 3 weeks ago
config: i386-randconfig-c001-20211011 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


cocci warnings: (new ones prefixed by >>)
>> mm/vmscan.c:2946:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
   mm/vmscan.c:3080:15-21: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 33425 bytes --]

[PATCH] mm: multigenerational lru: fix flexible_array.cocci warnings

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1801 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

From: kernel test robot <lkp@intel.com>

mm/vmscan.c:2946:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
mm/vmscan.c:3080:15-21: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)


 Zero-length and one-element arrays are deprecated, see
 Documentation/process/deprecated.rst
 Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 3cf93f784702 ("mm: multigenerational lru: mm_struct list")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://github.com/zen-kernel/zen-kernel 5.14/lru-v5
head:   99e7c83f97caf5a659eadcd6d547d68ae648ab0d
commit: 3cf93f784702b891e31203fdc7e8f0017f5f0e87 [6/14] mm: multigenerational lru: mm_struct list
:::::: branch date: 6 hours ago
:::::: commit date: 3 weeks ago

Please take the patch only if it's a positive warning. Thanks!

 vmscan.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2943,7 +2943,7 @@ struct lru_gen_mm_list {
 		int nr_walkers;
 		/* stats for debugging */
 		unsigned long stats[NR_STAT_GENS][NR_MM_STATS];
-	} nodes[0];
+	} nodes[];
 };
 
 static struct lru_gen_mm_list *global_mm_list;
@@ -3077,7 +3077,7 @@ struct mm_walk_args {
 	int batch_size;
 	int nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
 	int mm_stats[NR_MM_STATS];
-	unsigned long bitmap[0];
+	unsigned long bitmap[];
 };
 
 static void reset_mm_stats(struct lru_gen_mm_list *mm_list, bool last,

[PATCH] mm: multigenerational lru: fix flexible_array.cocci warnings

[Julia Lawall]

[-- Attachment #1: Type: text/plain, Size: 1385 bytes --]

From: kernel test robot <lkp@intel.com>

Zero-length and one-element arrays are deprecated, see
Documentation/process/deprecated.rst
Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 3b838ec127aa ("mm: multigenerational lru: mm_struct list")
CC: Yu Zhao <yuzhao@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
---

tree:   https://github.com/zen-kernel/zen-kernel 5.14/lru-v3
head:   58423b0ba935bb76ff3f6754703e8fb8533ecae3
commit: 3b838ec127aaaa0b5121fbffb2eaee9f2d014a7e [9/18] mm: multigenerational lru: mm_struct list
:::::: branch date: 4 days ago
:::::: commit date: 4 days ago

 vmscan.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2935,7 +2935,7 @@ struct lru_gen_mm_list {
 		int nr_workers;
 		/* stats for debugging */
 		unsigned long stats[NR_STAT_GENS][NR_MM_STATS];
-	} nodes[0];
+	} nodes[];
 };

 static struct lru_gen_mm_list *global_mm_list;
@@ -3091,7 +3091,7 @@ struct mm_walk_args {
 	int batch_size;
 	int nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
 	int mm_stats[NR_MM_STATS];
-	unsigned long bitmap[0];
+	unsigned long bitmap[];
 };

 static int size_of_mm_walk_args(void)

[zen-kernel-zen-kernel:5.14/lru-v3 9/18] mm/vmscan.c:2938:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1160 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

tree:   https://github.com/zen-kernel/zen-kernel 5.14/lru-v3
head:   58423b0ba935bb76ff3f6754703e8fb8533ecae3
commit: 3b838ec127aaaa0b5121fbffb2eaee9f2d014a7e [9/18] mm: multigenerational lru: mm_struct list
:::::: branch date: 4 days ago
:::::: commit date: 4 days ago
config: i386-randconfig-c021-20210906 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


cocci warnings: (new ones prefixed by >>)
>> mm/vmscan.c:2938:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
   mm/vmscan.c:3094:15-21: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 34621 bytes --]

[PATCH] mm: multigenerational lru: fix flexible_array.cocci warnings

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1799 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

From: kernel test robot <lkp@intel.com>

mm/vmscan.c:2938:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
mm/vmscan.c:3094:15-21: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)


 Zero-length and one-element arrays are deprecated, see
 Documentation/process/deprecated.rst
 Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 3b838ec127aa ("mm: multigenerational lru: mm_struct list")
CC: Yu Zhao <yuzhao@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://github.com/zen-kernel/zen-kernel 5.14/lru-v3
head:   58423b0ba935bb76ff3f6754703e8fb8533ecae3
commit: 3b838ec127aaaa0b5121fbffb2eaee9f2d014a7e [9/18] mm: multigenerational lru: mm_struct list
:::::: branch date: 4 days ago
:::::: commit date: 4 days ago

Please take the patch only if it's a positive warning. Thanks!

 vmscan.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2935,7 +2935,7 @@ struct lru_gen_mm_list {
 		int nr_workers;
 		/* stats for debugging */
 		unsigned long stats[NR_STAT_GENS][NR_MM_STATS];
-	} nodes[0];
+	} nodes[];
 };
 
 static struct lru_gen_mm_list *global_mm_list;
@@ -3091,7 +3091,7 @@ struct mm_walk_args {
 	int batch_size;
 	int nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
 	int mm_stats[NR_MM_STATS];
-	unsigned long bitmap[0];
+	unsigned long bitmap[];
 };
 
 static int size_of_mm_walk_args(void)

[PATCH] mm: multigenerational lru: fix flexible_array.cocci warnings

[Julia Lawall]

[-- Attachment #1: Type: text/plain, Size: 1452 bytes --]

From: kernel test robot <lkp@intel.com>

Zero-length and one-element arrays are deprecated, see
Documentation/process/deprecated.rst
Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 0c09e5f119fe ("mm: multigenerational lru: mm_struct list")
CC: Yu Zhao <yuzhao@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
---

tree:   https://github.com/zen-kernel/zen-kernel 5.13/lru
head:   6c0599d8df2c91043cffba0fbdd8c0fdc3297551
commit: 0c09e5f119fe208b6abf362197df921a81c18eea [9/14] mm: multigenerational lru: mm_struct list
:::::: branch date: 14 hours ago
:::::: commit date: 14 hours ago

Please take the patch only if it's a positive warning. Thanks!

 vmscan.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2908,7 +2908,7 @@ struct lru_gen_mm_list {
 		int nr_workers;
 		/* stats for debugging */
 		unsigned long stats[NR_STAT_GENS][NR_MM_STATS];
-	} nodes[0];
+	} nodes[];
 };

 static struct lru_gen_mm_list *global_mm_list;
@@ -3064,7 +3064,7 @@ struct mm_walk_args {
 	int batch_size;
 	int nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
 	int mm_stats[NR_MM_STATS];
-	unsigned long bitmap[0];
+	unsigned long bitmap[];
 };

 static int size_of_mm_walk_args(void)

[zen-kernel-zen-kernel:5.12/lru 10/16] mm/vmscan.c:4506:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 989 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

tree:   https://github.com/zen-kernel/zen-kernel 5.12/lru
head:   823fd97115db2e075c2c7d374e069665dd9aaa22
commit: 613e620606b76427f0a012b0b2bbcca8defbbf0a [10/16] mm: multigenerational lru: mm_struct list
:::::: branch date: 6 hours ago
:::::: commit date: 6 hours ago
config: sparc-randconfig-c004-20210428 (attached as .config)
compiler: sparc-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


cocci warnings: (new ones prefixed by >>)
>> mm/vmscan.c:4506:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 31280 bytes --]

[PATCH] mm: multigenerational lru: fix flexible_array.cocci warnings

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1372 bytes --]

CC: kbuild-all(a)lists.01.org
TO: steven(a)liquorix.net

From: kernel test robot <lkp@intel.com>

mm/vmscan.c:4506:3-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)


 Zero-length and one-element arrays are deprecated, see
 Documentation/process/deprecated.rst
 Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 613e620606b7 ("mm: multigenerational lru: mm_struct list")
CC: Yu Zhao <yuzhao@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://github.com/zen-kernel/zen-kernel 5.12/lru
head:   823fd97115db2e075c2c7d374e069665dd9aaa22
commit: 613e620606b76427f0a012b0b2bbcca8defbbf0a [10/16] mm: multigenerational lru: mm_struct list
:::::: branch date: 6 hours ago
:::::: commit date: 6 hours ago

Please take the patch only if it's a positive warning. Thanks!

 vmscan.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -4503,7 +4503,7 @@ struct lru_gen_mm_list {
 		int nr_workers;
 		/* stats for debugging */
 		unsigned long stats[NR_STAT_GENS][NR_MM_STATS];
-	} nodes[0];
+	} nodes[];
 };
 
 static struct lru_gen_mm_list *global_mm_list;