From ab3d8441290bcd648f487b69ea87cfe5b37d9e02 Mon Sep 17 00:00:00 2001 From: Mathieu Malaterre Date: Tue, 2 Jan 2018 19:53:15 +0100 Subject: [PATCH] MIPS: Remove a warning when PHYS_OFFSET is 0x0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Rewrite the comparison in `else if` statement, case where `min_low_pfn > ARCH_PFN_OFFSET` has already been checked in the first `if` statement: if (min_low_pfn > ARCH_PFN_OFFSET) { Fix non-fatal warning during compilation using W=1: arch/mips/kernel/setup.c: In function ‘bootmem_init’: arch/mips/kernel/setup.c:461:25: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] } else if (min_low_pfn < ARCH_PFN_OFFSET) { ^ Signed-off-by: Mathieu Malaterre Reviewed-by: James Hogan Cc: Ralf Baechle Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/18176/ Signed-off-by: James Hogan --- arch/mips/kernel/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 28be8f2..563188a 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -454,7 +454,7 @@ static void __init bootmem_init(void) pr_info("Wasting %lu bytes for tracking %lu unused pages\n", (min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page), min_low_pfn - ARCH_PFN_OFFSET); - } else if (min_low_pfn < ARCH_PFN_OFFSET) { + } else if (ARCH_PFN_OFFSET - min_low_pfn > 0UL) { pr_info("%lu free pages won't be used\n", ARCH_PFN_OFFSET - min_low_pfn); } -- 2.7.4