[PATCH 06/28] mm: Start tracking VMAs with maple tree
kernel test robot
lkp at intel.com
Fri Dec 11 14:30:15 EST 2020
Hi "Liam,
I love your patch! Yet something to improve:
[auto build test ERROR on efi/next]
[also build test ERROR on linus/master v5.10-rc7]
[cannot apply to tip/x86/core hnaz-linux-mm/master next-20201211]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Liam-R-Howlett/RFC-mm-Introducing-the-Maple-Tree/20201211-011029
base: https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next
config: i386-randconfig-s001-20201210 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-179-ga00755aa-dirty
# https://github.com/0day-ci/linux/commit/991a17ff32a6bc9549655cd0aea43c386fdea1c6
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Liam-R-Howlett/RFC-mm-Introducing-the-Maple-Tree/20201211-011029
git checkout 991a17ff32a6bc9549655cd0aea43c386fdea1c6
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/mm_types.h:11,
from include/linux/mmzone.h:21,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/maple_tree.h:79:22: error: 'MAPLE_RANGE64_SLOTS' undeclared here (not in a function)
79 | unsigned long pivot[MAPLE_RANGE64_SLOTS - 1];
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/maple_tree.h:85:22: error: 'MAPLE_ARANGE64_SLOTS' undeclared here (not in a function)
85 | unsigned long pivot[MAPLE_ARANGE64_SLOTS - 1];
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/maple_tree.h:91:28: error: 'MAPLE_NODE_SLOTS' undeclared here (not in a function); did you mean 'MAPLE_ALLOC_SLOTS'?
91 | #define MAPLE_ALLOC_SLOTS (MAPLE_NODE_SLOTS - 1)
| ^~~~~~~~~~~~~~~~
include/linux/maple_tree.h:96:27: note: in expansion of macro 'MAPLE_ALLOC_SLOTS'
96 | struct maple_alloc *slot[MAPLE_ALLOC_SLOTS];
| ^~~~~~~~~~~~~~~~~
--
In file included from include/linux/mm_types.h:11,
from include/linux/mmzone.h:21,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/maple_tree.h:79:22: error: 'MAPLE_RANGE64_SLOTS' undeclared here (not in a function)
79 | unsigned long pivot[MAPLE_RANGE64_SLOTS - 1];
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/maple_tree.h:85:22: error: 'MAPLE_ARANGE64_SLOTS' undeclared here (not in a function)
85 | unsigned long pivot[MAPLE_ARANGE64_SLOTS - 1];
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/maple_tree.h:91:28: error: 'MAPLE_NODE_SLOTS' undeclared here (not in a function); did you mean 'MAPLE_ALLOC_SLOTS'?
91 | #define MAPLE_ALLOC_SLOTS (MAPLE_NODE_SLOTS - 1)
| ^~~~~~~~~~~~~~~~
include/linux/maple_tree.h:96:27: note: in expansion of macro 'MAPLE_ALLOC_SLOTS'
96 | struct maple_alloc *slot[MAPLE_ALLOC_SLOTS];
| ^~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1200: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
In file included from include/linux/mm_types.h:11,
from include/linux/mmzone.h:21,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/maple_tree.h:79:22: error: 'MAPLE_RANGE64_SLOTS' undeclared here (not in a function)
79 | unsigned long pivot[MAPLE_RANGE64_SLOTS - 1];
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/maple_tree.h:85:22: error: 'MAPLE_ARANGE64_SLOTS' undeclared here (not in a function)
85 | unsigned long pivot[MAPLE_ARANGE64_SLOTS - 1];
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/maple_tree.h:91:28: error: 'MAPLE_NODE_SLOTS' undeclared here (not in a function); did you mean 'MAPLE_ALLOC_SLOTS'?
91 | #define MAPLE_ALLOC_SLOTS (MAPLE_NODE_SLOTS - 1)
| ^~~~~~~~~~~~~~~~
include/linux/maple_tree.h:96:27: note: in expansion of macro 'MAPLE_ALLOC_SLOTS'
96 | struct maple_alloc *slot[MAPLE_ALLOC_SLOTS];
| ^~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1200: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/MAPLE_RANGE64_SLOTS +79 include/linux/maple_tree.h
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 40
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 41
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 42 /**
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 43 * maple_tree node explained
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 44 *
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 45 * Each node type has a number of slots for entries and a number of slots for
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 46 * pivots. In the case of dense nodes, the pivots are implied by the position
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 47 * and are simply the slot index + the minimum of the node.
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 48 *
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 49 * In regular B-Tree terms, pivots are called keys. The term pivot is used to
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 50 * indicate that the tree is specifying ranges, Pivots may appear in the
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 51 * subtree with an entry attached to the value where as keys are unique to a
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 52 * specific position of a B-tree. Pivot values are inclusive of the slot with
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 53 * the same index.
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 54 *
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 55 *
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 56 * The following illustrates the layout of a range64 nodes slots and pivots.
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 57 *
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 58 * _________________________________
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 59 * Slots -> | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 60 * ┬ ┬ ┬ ┬ ┬ ┬ ┬ ┬ ┬
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 61 * │ │ │ │ │ │ │ │ └─ Implied maximum
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 62 * │ │ │ │ │ │ │ └─ Pivot 6
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 63 * │ │ │ │ │ │ └─ Pivot 5
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 64 * │ │ │ │ │ └─ Pivot 4
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 65 * │ │ │ │ └─ Pivot 3
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 66 * │ │ │ └─ Pivot 2
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 67 * │ │ └─ Pivot 1
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 68 * │ └─ Pivot 0
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 69 * └─ Implied minimum
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 70 *
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 71 * Slot contents:
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 72 * Internal (non-leaf) nodes contain pointers to other nodes.
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 73 * Leaf nodes contain entries.
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 74 *
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 75 *
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 76 */
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 77 struct maple_range_64 {
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 78 struct maple_pnode *parent;
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 @79 unsigned long pivot[MAPLE_RANGE64_SLOTS - 1];
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 80 void __rcu *slot[MAPLE_RANGE64_SLOTS];
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 81 };
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 82
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 83 struct maple_arange_64 {
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 84 struct maple_pnode *parent;
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 @85 unsigned long pivot[MAPLE_ARANGE64_SLOTS - 1];
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 86 void __rcu *slot[MAPLE_ARANGE64_SLOTS];
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 87 unsigned long gap[MAPLE_ARANGE64_SLOTS];
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 88 unsigned char meta;
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 89 };
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 90
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 @91 #define MAPLE_ALLOC_SLOTS (MAPLE_NODE_SLOTS - 1)
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 92 struct maple_alloc {
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 93 unsigned long total;
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 94 unsigned char node_count;
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 95 unsigned int request_count;
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 96 struct maple_alloc *slot[MAPLE_ALLOC_SLOTS];
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 97 };
d79b3ea66666bc9 Liam R. Howlett 2020-12-10 98
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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