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authorMel Gorman <mgorman@suse.de>2015-07-18 02:23:48 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-07-18 02:39:53 +0300
commitae026b2aa19350f3c863df2dce7e0511dd78ff49 (patch)
tree82003b07c7968e2c2b5ce770a0cdd122aba9a8a2 /.mailmap
parent3958b79266b14729edd61daf9dfb84de45f4ec6d (diff)
downloadlinux-ae026b2aa19350f3c863df2dce7e0511dd78ff49.tar.xz
mm, meminit: suppress unused memory variable warning
The kbuild test robot reported the following tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 14a6f1989dae9445d4532941bdd6bbad84f4c8da commit: 3b242c66ccbd60cf47ab0e8992119d9617548c23 x86: mm: enable deferred struct page initialisation on x86-64 date: 3 days ago config: x86_64-randconfig-x006-201527 (attached as .config) reproduce: git checkout 3b242c66ccbd60cf47ab0e8992119d9617548c23 # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): mm/page_alloc.c: In function 'early_page_uninitialised': >> mm/page_alloc.c:247:6: warning: unused variable 'nid' [-Wunused-variable] int nid = early_pfn_to_nid(pfn); It's due to the NODE_DATA macro ignoring the nid parameter on !NUMA configurations. This patch avoids the warning by not declaring nid. Signed-off-by: Mel Gorman <mgorman@suse.de> Reported-by: Wu Fengguang <fengguang.wu@intel.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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