Re: [RFC 1/2] mm: disable LRU pagevec during the migration temporarily

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Feb 17, 2021 at 09:11:43PM +0000, Matthew Wilcox wrote:
> On Wed, Feb 17, 2021 at 12:51:25PM -0800, Minchan Kim wrote:
> > I'd like to avoid atomic operation if we could.
> 
> Why do you think that the spinlock is better?
> 

Michal suggested atomic_inc in writeside and atomic_read in readside.
I wanted to avoid atomic operation in readside path.

You are suggesting atomic for writeside and just read(not atomic_read)
in readside?



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux