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SubjectRe: [PATCH] mm/lru: simplify is_file_lru() and is_active_lru()
On Tue, Nov 17, 2020 at 05:47:27PM +0000, Matthew Wilcox wrote:
> On Wed, Nov 18, 2020 at 01:46:33AM +0800, Hui Su wrote:
> > On Tue, Nov 17, 2020 at 05:41:17PM +0000, Matthew Wilcox wrote:
> > > On Wed, Nov 18, 2020 at 01:12:42AM +0800, Hui Su wrote:
> > > > lru_list lru bit 0 can tell whether the list is
> > > > avtive lru-list or not.
> > > > lru_list lru bit 1 can tell whether the list is
> > > > file lru-list or not.
> > > >
> > > > And fix some define type in shrink_active_list()
> > > > and get_scan_count().
> > > >
> > > > v1->v2:
> > > > correct the commit message, and fix the define type.
> > >
> > > No, still incorrect.
> >
> > I am a little confused, can you tell in detail?
>
> Have you booted a kernel with this change? Have you run any kind of
> tests on it?

Yes, I boot it with qemu-system-x86_64-4.1.50 on ubuntu20.04:
qemu-system-x86_64 -kernel /home/rlk/workspace/compile/out/arch/x86_64/boot/bzImage -hda \
/home/rlk/myspace/qemu_build/rootfs.img -append "root=/dev/sda console=ttyS0" -nographic

using the kernel compiled with ubuntu20.04's default .config.

It seems nothing abnormal.
And i did not do other test.

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