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authorJonas Gorski <jogo@openwrt.org>2013-10-12 10:50:44 +0000
committerJonas Gorski <jogo@openwrt.org>2013-10-12 10:50:44 +0000
commit2b6cea4a6e3b71dbfc8ae51775310933aae796b6 (patch)
tree904dffa29a1d5e05570e553fd99318227240fdd0 /target/linux/ar7/patches-3.10/200-free-mem-below-kernel-offset.patch
parent33018b3e4563d074d27312a92e34b3f8e05b1b73 (diff)
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ar7: add support for linux 3.10 and switch to it
Run tested on WAG354Gv2. Signed-off-by: Jonas Gorski <jogo@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38369 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar7/patches-3.10/200-free-mem-below-kernel-offset.patch')
-rw-r--r--target/linux/ar7/patches-3.10/200-free-mem-below-kernel-offset.patch15
1 files changed, 15 insertions, 0 deletions
diff --git a/target/linux/ar7/patches-3.10/200-free-mem-below-kernel-offset.patch b/target/linux/ar7/patches-3.10/200-free-mem-below-kernel-offset.patch
new file mode 100644
index 0000000000..4011942d79
--- /dev/null
+++ b/target/linux/ar7/patches-3.10/200-free-mem-below-kernel-offset.patch
@@ -0,0 +1,15 @@
+--- a/arch/mips/ar7/memory.c
++++ b/arch/mips/ar7/memory.c
+@@ -66,5 +66,11 @@ void __init prom_meminit(void)
+
+ void __init prom_free_prom_memory(void)
+ {
+- /* Nothing to free */
++ /* adapted from arch/mips/txx9/generic/setup.c */
++ unsigned long saddr = PHYS_OFFSET + PAGE_SIZE;
++ unsigned long eaddr = __pa_symbol(&_text);
++
++ /* free memory between prom-record and kernel _text base */
++ if (saddr < eaddr)
++ free_init_pages("prom memory", saddr, eaddr);
+ }