From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtprelay.hostedemail.com (smtprelay0098.hostedemail.com [216.40.44.98]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 407p3F6hLLzF1j4 for ; Sun, 25 Mar 2018 04:55:21 +1100 (AEDT) Received: from smtprelay.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by smtpgrave06.hostedemail.com (Postfix) with ESMTP id 95E848005A60 for ; Sat, 24 Mar 2018 17:45:49 +0000 (UTC) From: Shea Levy To: linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-c6x-dev@linux-c6x.org, uclinux-h8-devel@lists.sourceforge.jp, linux-m68k@lists.linux-m68k.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net Cc: Shea Levy Subject: [PATCH 01/16] initrd: Add generic code path for common initrd unloading logic. Date: Sat, 24 Mar 2018 13:44:43 -0400 Message-Id: <20180324174458.26423-2-shea@shealevy.com> In-Reply-To: <20180324174458.26423-1-shea@shealevy.com> References: <20180324174458.26423-1-shea@shealevy.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Signed-off-by: Shea Levy --- init/initramfs.c | 7 +++++++ usr/Kconfig | 4 ++++ 2 files changed, 11 insertions(+) diff --git a/init/initramfs.c b/init/initramfs.c index 7e99a0038942..de5ce873eb5a 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -526,6 +526,13 @@ extern unsigned long __initramfs_size; #include #include +#ifdef CONFIG_INITRAMFS_GENERIC_UNLOAD +void free_initrd_mem(unsigned long start, unsigned long end) +{ + free_reserved_area((void *)start, (void *)end, -1, "initrd"); +} +#endif + static void __init free_initrd(void) { #ifdef CONFIG_KEXEC_CORE diff --git a/usr/Kconfig b/usr/Kconfig index 43658b8a975e..fd79d4d6fa26 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -233,3 +233,7 @@ config INITRAMFS_COMPRESSION default ".lzma" if RD_LZMA default ".bz2" if RD_BZIP2 default "" + +# Arches can select this for a generic initrd unloading codepath +config INITRAMFS_GENERIC_UNLOAD + bool -- 2.16.2