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authorPaul Gortmaker <paul.gortmaker@windriver.com>2012-05-09 20:44:29 -0400
committerDavid S. Miller <davem@davemloft.net>2012-05-09 19:58:07 -0700
commitaa6f079075d3396d4ac8a5d84ad724bfe8fc1ba9 (patch)
treec85c72b70ed0e18a7d8a7fde2975e27b77da456f /arch/sparc/prom/segment.c
parentsparc64: Do not set max_mapnr. (diff)
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sparc: fix build fail in mm/init_64.c when NEED_MULTIPLE_NODES is off
Commit 625d693e9784f988371e69c2b41a2172c0be6c11 (linux-next) "sparc64: Convert over to NO_BOOTMEM." causes the following compile failure for sparc64 allnoconfig: arch/sparc/mm/init_64.c:822:16: error: unused variable 'paddr' arch/sparc/mm/init_64.c:1759:7: error: unused variable 'node' arch/sparc/mm/init_64.c:809:12: error: 'memblock_nid_range' defined but not used The paddr decl can easily be shuffled within the ifdef. The memblock_nid_range is just a stub function for when NEED_MULTIPLE_NODES is off, but the only caller is within a NEED_MULTIPLE_NODES enabled section, so we can simply delete it. The unused "node" is slightly more interesting. In the case of "# CONFIG_NEED_MULTIPLE_NODES is not set" we no longer get the definition of: #define NODE_DATA(nid) (node_data[nid]) from arch/sparc/include/asm/mmzone.h - but instead we get: #define NODE_DATA(nid) (&contig_page_data) from include/linux/mmzone.h -- and since the arg is ignored, the thing really is unused. Rather than put in a confusing looking __maybe_unused, simply splitting the declaration from the assignment seemed to me to be the least offensive. Cc: Sam Ravnborg <sam@ravnborg.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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