Messages in this thread | | | Date | Thu, 29 Aug 2013 15:24:46 +0400 | From | Maxim Patlasov <> | Subject | Re: linux-next: build warnings after merge of the akpm-current tree |
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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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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