Hi Wu, After merging the writeback tree, today's linux-next build (powerpc allnoconfig) produced these warnings: mm/page-writeback.c: In function 'bdi_position_ratio': mm/page-writeback.c:622:3: warning: comparison of distinct pointer types lacks a cast [enabled by default] page-writeback.c:635:4: warning: comparison of distinct pointer types lacks a cast [enabled by default] Introduced by commits 6c14ae1e92c7 ("writeback: dirty position control") and 8927f66c4ede ("writeback: dirty position control - bdi reserve area"). -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx http://www.canb.auug.org.au/~sfr/
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