lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Tue, 12 Jan 2021 14:20:00 -0800
From:   Randy Dunlap <>
To:     Andrew Morton <>
        Shakeel Butt <>
Subject: Re: mmotm 2021-01-12-01-57 uploaded (NR_SWAPCACHE in mm/)

On 1/12/21 1:50 PM, Andrew Morton wrote:

>> on i386 and x86_64:
>> when CONFIG_SWAP is not set/enabled:
>> ../mm/migrate.c: In function ‘migrate_page_move_mapping’:
>> ../mm/migrate.c:504:35: error: ‘NR_SWAPCACHE’ undeclared (first use in this function); did you mean ‘QC_SPACE’?
>>     __mod_lruvec_state(old_lruvec, NR_SWAPCACHE, -nr);
>>                                    ^~~~~~~~~~~~
>> ../mm/memcontrol.c:1529:20: error: ‘NR_SWAPCACHE’ undeclared here (not in a function); did you mean ‘SGP_CACHE’?
>>   { "swapcached",   NR_SWAPCACHE   },
>>                     ^~~~~~~~~~~~
> Thanks.  I did the below.

WorsForMe. Thanks.

Acked-by: Randy Dunlap <>

> But we're still emitting "Node %d SwapCached: 0 kB" in sysfs when
> CONFIG_SWAP=n, which is probably wrong.  Shakeel, can you please have a
> think?

You can't do anything without having to do something else first.
-- Belefant's Law

Powered by blists - more mailing lists