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authorAndy Whitcroft <apw@shadowen.org>2006-12-06 23:33:04 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 11:39:23 -0500
commit4af2bfc1202041006a0f01d0591a975f6c573f09 (patch)
tree6fb140a40083c793919a417cfa28b31c9f86c662 /net/ipv6/Makefile
parent25ba77c141dbcd2602dd0171824d0d72aa023a01 (diff)
[PATCH] silence unused pgdat warning from alloc_bootmem_node and friends
x86 NUMA systems only define bootmem for node 0. alloc_bootmem_node() and friends therefore ignore the passed pgdat and use NODE_DATA(0) in all cases. This leads to the following warnings as we are not using the passed parameter: .../mm/page_alloc.c: In function 'zone_wait_table_init': .../mm/page_alloc.c:2259: warning: unused variable 'pgdat' One option would be to define all variables used with these macros __attribute__ ((unused)), but this would leave us exposed should these become genuinely unused. The key here is that we _are_ using the value, we ignore it but that is a deliberate action. This patch adds a nested local variable within the alloc_bootmem_node helper to which the pgdat parameter is assigned making it 'used'. The nested local is marked __attribute__ ((unused)) to silence this same warning for it. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Cc: Christoph Lameter <clameter@engr.sgi.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'net/ipv6/Makefile')
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