linux-kernel - Re: [PATCH] maple_tree: Fix handle of invalidated state in mas_wr_store

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Date:   Mon,  9 Jan 2023 23:43:17 +0000
From:   SeongJae Park <sj@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     SeongJae Park <sj@...nel.org>,
        Liam Howlett <liam.howlett@...cle.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>
Subject: Re: [PATCH] maple_tree: Fix handle of invalidated state in mas_wr_store_setup()

Hi Andrew,

On Mon, 9 Jan 2023 15:40:12 -0800 Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Mon,  9 Jan 2023 19:22:48 +0000 SeongJae Park <sj@...nel.org> wrote:
> 
> > On Mon, 9 Jan 2023 16:55:42 +0000 Liam Howlett <liam.howlett@...cle.com> wrote:
> > 
> > > If an invalidated maple state is encountered during write, reset the
> > > maple state to MAS_START.  This will result in a re-walk of the tree to
> > > the correct location for the write.
> 
> Can we think of a Fixes: for this?
> 
> > > Link: https://lore.kernel.org/all/20230107020126.1627-1-sj@kernel.org/
> > > Reported-by: SeongJae Park <sj@...nel.org>
> > > Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
> > 
> > Tested-by: SeongJae Park <sj@...nel.org>
> > 
> > I confirmed this patch fixes the boot failure issue.  Nevertheless, the 'make
> > install' issue on my system is still not fixed.
> 
> Is this a mainline issue or an mm-unstable issue?

It's mm-unstable issue:
https://lore.kernel.org/linux-mm/20230107023954.1841-1-sj@kernel.org/


Thanks,
SJ