The patch titled
Subject: fs/proc/vmcore.c: hide vmcoredd_mmap_dumps() for nommu builds
has been added to the -mm tree. Its filename is
vmcore-hide-vmcoredd_mmap_dumps-for-nommu-builds.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/vmcore-hide-vmcoredd_mmap_dumps-for-nommu-builds.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/vmcore-hide-vmcoredd_mmap_dumps-for-nommu-builds.patch
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------------------------------------------------------
From: Arnd Bergmann <arnd@xxxxxxxx>
Subject: fs/proc/vmcore.c: hide vmcoredd_mmap_dumps() for nommu builds
Without CONFIG_MMU, we get a build warning:
fs/proc/vmcore.c:228:12: error: 'vmcoredd_mmap_dumps' defined but not used [-Werror=unused-function]
static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, unsigned long dst,
The function is only referenced from an #ifdef'ed caller, so
this uses the same #ifdef around it.
Link: http://lkml.kernel.org/r/20180525213526.2117790-1-arnd@xxxxxxxx
Fixes: 7efe48df8a3d ("vmcore: append device dumps to vmcore as elf notes")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Ganesh Goudar <ganeshgr@xxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Rahul Lakkireddy <rahul.lakkireddy@xxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/vmcore.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN fs/proc/vmcore.c~vmcore-hide-vmcoredd_mmap_dumps-for-nommu-builds fs/proc/vmcore.c
--- a/fs/proc/vmcore.c~vmcore-hide-vmcoredd_mmap_dumps-for-nommu-builds
+++ a/fs/proc/vmcore.c
@@ -225,6 +225,7 @@ out_unlock:
return ret;
}
+#ifdef CONFIG_MMU
static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, unsigned long dst,
u64 start, size_t size)
{
@@ -259,6 +260,7 @@ out_unlock:
mutex_unlock(&vmcoredd_mutex);
return ret;
}
+#endif /* CONFIG_MMU */
#endif /* CONFIG_PROC_VMCORE_DEVICE_DUMP */
/* Read from the ELF header and then the crash dump. On error, negative value is
_
Patches currently in -mm which might be from arnd@xxxxxxxx are
ocfs2-dlmglue-clean-up-timestamp-handling.patch
shmem-use-monotonic-time-for-i_generation.patch
procfs-uptime-use-ktime_get_boottime_ts64.patch
vmcore-hide-vmcoredd_mmap_dumps-for-nommu-builds.patch
crash-print-timestamp-using-time64_t.patch
nilfs2-use-64-bit-superblock-timstamps.patch
reiserfs-remove-unused-j_timestamp.patch
reiserfs-use-monotonic-time-for-j_trans_start_time.patch
reiserfs-remove-obsolete-print_time-function.patch
fat-propagate-64-bit-inode-timestamps.patch
adfs-use-timespec64-for-time-conversion.patch
sysinfo-remove-get_monotonic_boottime.patch
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