diff options
Diffstat (limited to 'meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0042-mm-page_alloc-fix-building-error-on-Werror-array-com.patch')
| -rw-r--r-- | meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0042-mm-page_alloc-fix-building-error-on-Werror-array-com.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0042-mm-page_alloc-fix-building-error-on-Werror-array-com.patch b/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0042-mm-page_alloc-fix-building-error-on-Werror-array-com.patch new file mode 100644 index 0000000000..1267a82c21 --- /dev/null +++ b/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.15/tc/0042-mm-page_alloc-fix-building-error-on-Werror-array-com.patch @@ -0,0 +1,45 @@ +From 74979dd6327bbaa96ecb8525f8ea6025715d5ba7 Mon Sep 17 00:00:00 2001 +From: Xiongwei Song <sxwjean@gmail.com> +Date: Fri, 14 Jan 2022 14:07:24 -0800 +Subject: [PATCH] mm: page_alloc: fix building error on -Werror=array-compare + +Arthur Marsh reported we would hit the error below when building kernel +with gcc-12: + + CC mm/page_alloc.o + mm/page_alloc.c: In function `mem_init_print_info': + mm/page_alloc.c:8173:27: error: comparison between two arrays [-Werror=array-compare] + 8173 | if (start <= pos && pos < end && size > adj) \ + | + +In C++20, the comparision between arrays should be warned. + +Link: https://lkml.kernel.org/r/20211125130928.32465-1-sxwjean@me.com +Signed-off-by: Xiongwei Song <sxwjean@gmail.com> +Reported-by: Arthur Marsh <arthur.marsh@internode.on.net> +Signed-off-by: Andrew Morton <akpm@linux-foundation.org> +Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> + +Upstream-Status: Backport [https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca831f29f8f25c97182e726429b38c0802200c8f] +Signed-off-by: Davidson K <davidson.kumaresan@arm.com> +Change-Id: I11931013f1fd42f0f2a75375cdfb129cb3a9d5aa +--- + mm/page_alloc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/mm/page_alloc.c b/mm/page_alloc.c +index 185fbddecc83..3affeeb194d4 100644 +--- a/mm/page_alloc.c ++++ b/mm/page_alloc.c +@@ -8282,7 +8282,7 @@ void __init mem_init_print_info(void) + */ + #define adj_init_size(start, end, size, pos, adj) \ + do { \ +- if (start <= pos && pos < end && size > adj) \ ++ if (&start[0] <= &pos[0] && &pos[0] < &end[0] && size > adj) \ + size -= adj; \ + } while (0) + +-- +2.34.1 + |