Konstantin Khlebnikov <khlebni...@yandex-team.ru> writes: > On 10.02.2017 10:47, Al Viro wrote: >> On Fri, Feb 10, 2017 at 10:35:02AM +0300, Konstantin Khlebnikov wrote: >> >>> # time sysctl -a > /dev/null >>> real 1m12.806s >>> user 0m0.016s >>> sys 1m12.400s >>> >>> Currently only memory reclaimer could remove this garbage. >>> But without significant memory pressure this never happens. >>> >>> This patch collects sysctl inodes into list on sysctl table header and >>> prunes all their dentries once that table unregisters. >> >> I'd probably go for hlist, but that's mostly cosmetic difference; how about >> the matching stats *after* that patch? >> > > dcache size doesn't grow endlessly, so stats are fine > > # sysctl fs.dentry-state > fs.dentry-state = 92712 58376 45 0 0 0 > > # time sysctl -a &>/dev/null > > real 0m0.013s > user 0m0.004s > sys 0m0.008s
Applied thanks, Eric
