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author | James <> | 2015-09-26 12:29:31 +0100 |
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committer | James <> | 2015-09-26 12:29:31 +0100 |
commit | 626d9efa74685720020e816f3a917b7591d3cf7a (patch) | |
tree | d22eef73ae82287b30a1140decb4fc806d39d621 /target/linux/ar7/patches-4.1/200-free-mem-below-kernel-offset.patch | |
download | trunk-47048-626d9efa74685720020e816f3a917b7591d3cf7a.tar.gz trunk-47048-626d9efa74685720020e816f3a917b7591d3cf7a.tar.bz2 trunk-47048-626d9efa74685720020e816f3a917b7591d3cf7a.zip |
trunk-47048
Diffstat (limited to 'target/linux/ar7/patches-4.1/200-free-mem-below-kernel-offset.patch')
-rw-r--r-- | target/linux/ar7/patches-4.1/200-free-mem-below-kernel-offset.patch | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target/linux/ar7/patches-4.1/200-free-mem-below-kernel-offset.patch b/target/linux/ar7/patches-4.1/200-free-mem-below-kernel-offset.patch new file mode 100644 index 0000000..4011942 --- /dev/null +++ b/target/linux/ar7/patches-4.1/200-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); + } |