Kernel test robot throws below warning -> mm/huge_memory.c: In function 'unmap_page': >> mm/huge_memory.c:2345:7: warning: variable 'unmap_success' set but not used [-Wunused-but-set-variable] 2345 | bool unmap_success; | ^~~~~~~~~~~~~ Remove the unused variable unmap_success. Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx> --- mm/huge_memory.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 52ca04b905cf..ff79a12993c9 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2342,14 +2342,13 @@ static void unmap_page(struct page *page) { enum ttu_flags ttu_flags = TTU_IGNORE_MLOCK | TTU_RMAP_LOCKED | TTU_SPLIT_HUGE_PMD; - bool unmap_success; VM_BUG_ON_PAGE(!PageHead(page), page); if (PageAnon(page)) ttu_flags |= TTU_SPLIT_FREEZE; - unmap_success = try_to_unmap(page, ttu_flags); + try_to_unmap(page, ttu_flags); } static void remap_page(struct page *page, unsigned int nr) -- 2.25.1