The patch titled Subject: initramfs: fix a compilation error has been added to the -mm tree. Its filename is initramfs-cleanup-populate_rootfs-fix.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/initramfs-cleanup-populate_rootfs-fix.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/initramfs-cleanup-populate_rootfs-fix.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Qian Cai <cai@xxxxxx> Subject: initramfs: fix a compilation error 754006569c54 ("initramfs: cleanup populate_rootfs") introduced a compilation error with CONFIG_BLK_DEV_RAM != y due to clean_rootfs() is only declared with CONFIG_BLK_DEV_RAM=y. init/initramfs.c: In function 'populate_rootfs': init/initramfs.c:659:3: error: implicit declaration of function 'clean_rootfs'; did you mean 'clean_path'? [-Werror=implicit-function-declaration] clean_rootfs(); ^~~~~~~~~~~~ clean_path Link: http://lkml.kernel.org/r/20190328014806.36375-1-cai@xxxxxx Signed-off-by: Qian Cai <cai@xxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- init/initramfs.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/init/initramfs.c~initramfs-cleanup-populate_rootfs-fix +++ a/init/initramfs.c @@ -595,7 +595,11 @@ static void __init clean_rootfs(void) ksys_close(fd); kfree(buf); } -#endif +#else +static inline void clean_rootfs(void) +{ +} +#endif /* CONFIG_BLK_DEV_RAM */ #ifdef CONFIG_BLK_DEV_RAM static void populate_initrd_image(char *err) _ Patches currently in -mm which might be from cai@xxxxxx are kasan-fix-variable-tag-set-but-not-used-warning.patch mm-debug-add-a-cast-to-u64-for-atomic64_read.patch mm-hotplug-fix-offline-undo_isolate_page_range.patch mm-hotplug-fix-offline-undo_isolate_page_range-v4.patch mm-hotplug-fix-notification-in-offline-error-path.patch mm-fix-a-wrong-flag-in-set_migratetype_isolate.patch mm-compaction-abort-search-if-isolation-fails-v2.patch mm-compaction-fix-an-undefined-behaviour.patch initramfs-cleanup-populate_rootfs-fix.patch