On Fri, 25 Feb 2011 13:35:54 -0800
Greg Thelen [off-list ref] wrote:

Convert two balance_dirty_pages() page counter variables (nr_reclaimable
and nr_writeback) from 'long' to 'unsigned long'.

These two variables are used to store results from global_page_state().
global_page_state() returns unsigned long and carefully sums per-cpu
counters explicitly avoiding returning a negative value.

Signed-off-by: Greg Thelen <redacted>

Reviewd-by: KAMEZAWA Hiroyuki [off-list ref]

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