Messages in this thread | | | Subject | Re: [patch 116/176] fs: allow for more than 2^31 files | From | Eric Dumazet <> | Date | Wed, 27 Oct 2010 14:46:02 +0200 |
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Le mercredi 27 octobre 2010 à 13:59 +0200, Christoph Hellwig a écrit : > This patch breaks the binary sysctl ABI. It probably doesn't matter > as no one actually used it, but it might be better idea to just remove > this node from the binary sysctl tree. >
Good point
To be precise, sysctl() truncates the value to low order 32bit value, because it internally uses simple_strtoul(), then a put_user()
An old binary using sysctl() to fetch FS_MAXFILE could break on SGI machines. I am not sure we should remove sysctl FS_MAXFILE because of this rare case.
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