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Eric W. Biederman
0b4d414714
The semantic effect of insert_at_head is that it would allow new registered sysctl entries to override existing sysctl entries of the same name. Which is pain for caching and the proc interface never implemented. I have done an audit and discovered that none of the current users of register_sysctl care as (excpet for directories) they do not register duplicate sysctl entries. So this patch simply removes the support for overriding existing entries in the sys_sysctl interface since no one uses it or cares and it makes future enhancments harder. Signed-off-by: Eric W. Biederman <[email protected]> Acked-by: Ralf Baechle <[email protected]> Acked-by: Martin Schwidefsky <[email protected]> Cc: Russell King <[email protected]> Cc: David Howells <[email protected]> Cc: "Luck, Tony" <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Jens Axboe <[email protected]> Cc: Corey Minyard <[email protected]> Cc: Neil Brown <[email protected]> Cc: "John W. Linville" <[email protected]> Cc: James Bottomley <[email protected]> Cc: Jan Kara <[email protected]> Cc: Trond Myklebust <[email protected]> Cc: Mark Fasheh <[email protected]> Cc: David Chinner <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Patrick McHardy <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>