From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: [PATCH 2/4] m68k/mm: m54xx - Add missing initialization of max_pfn Date: Sun, 15 Nov 2015 12:04:13 +0100 Message-ID: <1447585455-19671-3-git-send-email-geert@linux-m68k.org> References: <1447585455-19671-1-git-send-email-geert@linux-m68k.org> Return-path: In-Reply-To: <1447585455-19671-1-git-send-email-geert@linux-m68k.org> Sender: linux-m68k-owner@vger.kernel.org To: Greg Ungerer , Sam Creasey , linux-m68k@lists.linux-m68k.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven List-Id: linux-arch.vger.kernel.org If max_pfn is not initialized, the various /proc/kpage* files are empty, and selftests/vm/mlock2-tests will fail. max_pfn is also used by the block layer to calculate DMA masks. Signed-off-by: Geert Uytterhoeven --- Compile-tested only. --- arch/m68k/coldfire/m54xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c index f7836c6a6b60eb24..c32f76791f488ae1 100644 --- a/arch/m68k/coldfire/m54xx.c +++ b/arch/m68k/coldfire/m54xx.c @@ -98,7 +98,7 @@ static void __init mcf54xx_bootmem_alloc(void) memstart = PAGE_ALIGN(_ramstart); min_low_pfn = PFN_DOWN(_rambase); start_pfn = PFN_DOWN(memstart); - max_low_pfn = PFN_DOWN(_ramend); + max_pfn = max_low_pfn = PFN_DOWN(_ramend); high_memory = (void *)_ramend; m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6; -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from laurent.telenet-ops.be ([195.130.137.89]:46632 "EHLO laurent.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751546AbbKOLnN (ORCPT ); Sun, 15 Nov 2015 06:43:13 -0500 From: Geert Uytterhoeven Subject: [PATCH 2/4] m68k/mm: m54xx - Add missing initialization of max_pfn Date: Sun, 15 Nov 2015 12:04:13 +0100 Message-ID: <1447585455-19671-3-git-send-email-geert@linux-m68k.org> In-Reply-To: <1447585455-19671-1-git-send-email-geert@linux-m68k.org> References: <1447585455-19671-1-git-send-email-geert@linux-m68k.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Greg Ungerer , Sam Creasey , linux-m68k@lists.linux-m68k.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Message-ID: <20151115110413.yUqzAe5jnnEw8zNOKnPJc9TkP9wW401vFAuLkVnHu7g@z> If max_pfn is not initialized, the various /proc/kpage* files are empty, and selftests/vm/mlock2-tests will fail. max_pfn is also used by the block layer to calculate DMA masks. Signed-off-by: Geert Uytterhoeven --- Compile-tested only. --- arch/m68k/coldfire/m54xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c index f7836c6a6b60eb24..c32f76791f488ae1 100644 --- a/arch/m68k/coldfire/m54xx.c +++ b/arch/m68k/coldfire/m54xx.c @@ -98,7 +98,7 @@ static void __init mcf54xx_bootmem_alloc(void) memstart = PAGE_ALIGN(_ramstart); min_low_pfn = PFN_DOWN(_rambase); start_pfn = PFN_DOWN(memstart); - max_low_pfn = PFN_DOWN(_ramend); + max_pfn = max_low_pfn = PFN_DOWN(_ramend); high_memory = (void *)_ramend; m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6; -- 1.9.1