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Message-ID: <20240305152634.014058aa@canb.auug.org.au>
Date: Tue, 5 Mar 2024 15:26:34 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Qi Zheng <zhengqi.arch@...edance.com>, Linux Kernel Mailing List
<linux-kernel@...r.kernel.org>, Linux Next Mailing List
<linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the mm tree
Hi all,
After merging the mm tree, today's linux-next build (s390 defconfig)
failed like this:
In file included from include/linux/smp.h:12,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:63,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/mm.h:7,
from include/linux/pagewalk.h:5,
from arch/s390/mm/gmap.c:12:
arch/s390/mm/gmap.c: In function 'gmap_free':
include/linux/list.h:866:19: error: assignment to 'struct page *' from incompatible pointer type 'struct ptdesc *' [-Werror=incompatible-pointer-types]
866 | n = list_next_entry(pos, member); \
| ^
arch/s390/mm/gmap.c:212:17: note: in expansion of macro 'list_for_each_entry_safe'
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:868:18: error: assignment to 'struct ptdesc *' from incompatible pointer type 'struct page *' [-Werror=incompatible-pointer-types]
868 | pos = n, n = list_next_entry(n, member))
| ^
arch/s390/mm/gmap.c:212:17: note: in expansion of macro 'list_for_each_entry_safe'
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/kernel.h:22,
from arch/s390/mm/gmap.c:11:
arch/s390/mm/gmap.c:212:72: error: 'struct page' has no member named 'pt_list'; did you mean 'pcp_list'?
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~
include/linux/container_of.h:19:33: note: in definition of macro 'container_of'
19 | void *__mptr = (void *)(ptr); \
| ^~~
include/linux/list.h:645:9: note: in expansion of macro 'list_entry'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:868:27: note: in expansion of macro 'list_next_entry'
868 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
arch/s390/mm/gmap.c:212:17: note: in expansion of macro 'list_for_each_entry_safe'
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/container_of.h:5:
arch/s390/mm/gmap.c:212:72: error: 'struct page' has no member named 'pt_list'; did you mean 'pcp_list'?
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:601:9: note: in expansion of macro 'container_of'
601 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:645:9: note: in expansion of macro 'list_entry'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:868:27: note: in expansion of macro 'list_next_entry'
868 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
arch/s390/mm/gmap.c:212:17: note: in expansion of macro 'list_for_each_entry_safe'
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/s390/mm/gmap.c:212:72: error: 'struct page' has no member named 'pt_list'; did you mean 'pcp_list'?
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:601:9: note: in expansion of macro 'container_of'
601 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:645:9: note: in expansion of macro 'list_entry'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:868:27: note: in expansion of macro 'list_next_entry'
868 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
arch/s390/mm/gmap.c:212:17: note: in expansion of macro 'list_for_each_entry_safe'
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/s390/mm/gmap.c:212:72: error: 'struct page' has no member named 'pt_list'; did you mean 'pcp_list'?
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | __same_type(*(ptr), void), \
| ^~~~~~~~~~~
include/linux/list.h:601:9: note: in expansion of macro 'container_of'
601 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:645:9: note: in expansion of macro 'list_entry'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:868:27: note: in expansion of macro 'list_next_entry'
868 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
arch/s390/mm/gmap.c:212:17: note: in expansion of macro 'list_for_each_entry_safe'
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:390:27: error: expression in static assertion is not an integer
390 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:601:9: note: in expansion of macro 'container_of'
601 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:645:9: note: in expansion of macro 'list_entry'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:868:27: note: in expansion of macro 'list_next_entry'
868 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
arch/s390/mm/gmap.c:212:17: note: in expansion of macro 'list_for_each_entry_safe'
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/uapi/linux/posix_types.h:5,
from include/uapi/linux/types.h:14,
from include/linux/types.h:6,
from include/linux/kasan-checks.h:5,
from include/asm-generic/rwonce.h:26,
from arch/s390/include/asm/rwonce.h:29,
from include/linux/compiler.h:299,
from include/linux/array_size.h:5,
from include/linux/kernel.h:16:
arch/s390/mm/gmap.c:212:72: error: 'struct page' has no member named 'pt_list'; did you mean 'pcp_list'?
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~
include/linux/stddef.h:16:58: note: in definition of macro 'offsetof'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~
include/linux/list.h:601:9: note: in expansion of macro 'container_of'
601 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:645:9: note: in expansion of macro 'list_entry'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:868:27: note: in expansion of macro 'list_next_entry'
868 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
arch/s390/mm/gmap.c:212:17: note: in expansion of macro 'list_for_each_entry_safe'
212 | list_for_each_entry_safe(ptdesc, next, &gmap->pt_list, pt_list)
| ^~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
Caused by commit
859584c3ddba ("s390: supplement for ptdesc conversion")
from the mm-unstable branch of the mm tree.
I have reverted that commit for today.
--
Cheers,
Stephen Rothwell
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