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memsw: deprecate noswapaccount kernel parameter and schedule it for removal

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noswapaccount couldn't be used to control memsw for both on/off cases so
we have added swapaccount[=0|1] parameter.  This way we can turn the
feature in two ways noswapaccount resp.  swapaccount=0.  We have kept the
original noswapaccount but I think we should remove it after some time as
it just makes more command line parameters without any advantages and also
the code to handle parameters is uglier if we want both parameters.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Requested-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michal Hocko
2011-02-01 15:52:31 -08:00
committed by Linus Torvalds
parent fceda1bf49
commit 552b372ba9
2 changed files with 17 additions and 0 deletions
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mm/memcontrol.c
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@ -5034,6 +5034,7 @@ __setup("swapaccount", enable_swap_account);
static int __init disable_swap_account(char *s)
{
printk_once("noswapaccount is deprecated and will be removed in 2.6.40. Use swapaccount=0 instead\n");
enable_swap_account("=0");
return 1;
}