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authorAndrew Morton <akpm@osdl.org>2006-03-07 21:55:31 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-08 14:14:01 -0800
commite2bab3d92486fb781f4d06f56339264ed1492392 (patch)
tree0295e1ed29794a8e804c4e28a3ea9e72777e533b /fs
parentb884e25784f62a1c740d2e4c1ce19cb89644e986 (diff)
[PATCH] percpu_counter_sum()
Implement percpu_counter_sum(). This is a more accurate but slower version of percpu_counter_read_positive(). We need this for Alex's speedup-ext3_statfs patch and for the nr_file accounting fix. Otherwise these things would be too inaccurate on large CPU counts. Cc: Ravikiran G Thirumalai <kiran@scalex86.org> Cc: Alex Tomas <alex@clusterfs.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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