Hi Stephen,
08/29/2013 01:47 PM, Stephen Rothwell пишет:
Hi Andrew,
After merging the akpm tree, today's linux-next build (sparc64 defconfig
and others) produced these warnings:
mm/page-writeback.c: In function 'balance_dirty_pages_ratelimited':
mm/page-writeback.c:1450:13: warning: 'bdi_thresh' may be used uninitialized in this function [-Wuninitialized]
mm/page-writeback.c:1372:16: note: 'bdi_thresh' was declared here
mm/page-writeback.c:1226:16: warning: 'bdi_dirty' may be used uninitialized in this function [-Wuninitialized]
mm/page-writeback.c:1369:16: note: 'bdi_dirty' was declared here
Possibly introduced by commit 34c547af1e23 ("mm/page-writeback.c: add
strictlimit feature"), but I am not sure anything can be done about them.
This looks as gcc glitch. So far as I didn't observe the warnings, the
version of gcc does matter. May be moving the definitions of the two
variables into for(;;){...} would help. Could you please give it a try?
Thanks,
Maxim
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