From: "Souptick Joarder (HPE)" <jrdr.linux@xxxxxxxxx> kernel test robot throws below warning -> arch/ia64/include/asm/mmu_context.h: In function 'reload_context': arch/ia64/include/asm/mmu_context.h:127:48: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable] 127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; Added it under CONFIG_HUGETLB_PAGE Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Souptick Joarder (HPE) <jrdr.linux@xxxxxxxxx> --- arch/ia64/include/asm/mmu_context.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/ia64/include/asm/mmu_context.h b/arch/ia64/include/asm/mmu_context.h index 87a0d5bc11ef..06257e355d00 100644 --- a/arch/ia64/include/asm/mmu_context.h +++ b/arch/ia64/include/asm/mmu_context.h @@ -124,9 +124,12 @@ reload_context (nv_mm_context_t context) { unsigned long rid; unsigned long rid_incr = 0; - unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; + unsigned long rr0, rr1, rr2, rr3, rr4; +#ifdef CONFIG_HUGETLB_PAGE + unsigned long old_rr4; old_rr4 = ia64_get_rr(RGN_BASE(RGN_HPAGE)); +#endif rid = context << 3; /* make space for encoding the region number */ rid_incr = 1 << 8; -- 2.25.1