The patch titled Subject: mm: unexport free_reserved_area has been added to the -mm tree. Its filename is mm-unexport-free_reserved_area.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-unexport-free_reserved_area.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-unexport-free_reserved_area.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: Christoph Hellwig <hch@xxxxxx> Subject: mm: unexport free_reserved_area This function is only used by built-in code, which makes perfect sense given the purpose of it. Link: http://lkml.kernel.org/r/20190213174621.29297-2-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 1 - 1 file changed, 1 deletion(-) --- a/mm/page_alloc.c~mm-unexport-free_reserved_area +++ a/mm/page_alloc.c @@ -7323,7 +7323,6 @@ unsigned long free_reserved_area(void *s return pages; } -EXPORT_SYMBOL(free_reserved_area); #ifdef CONFIG_HIGHMEM void free_highmem_page(struct page *page) _ Patches currently in -mm which might be from hch@xxxxxx are mm-unexport-free_reserved_area.patch