mm/ksm: remove unused page_referenced_ksm declaration
Commit 9f32624b ("mm/rmap: use rmap_walk() in page_referenced()") removed the declaration of page_referenced_ksm for the case CONFIG_KSM=y, but left one for CONFIG_KSM=n. Remove the unused leftover. Link: http://lkml.kernel.org/r/1524552106-7356-2-git-send-email-rppt@linux.vnet.ibm.comSigned-off-by: NMike Rapoport <rppt@linux.vnet.ibm.com> Reviewed-by: NAndrew Morton <akpm@linux-foundation.org> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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