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From: Uladzislau Rezki <urezki@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Uladzislau Rezki <urezki@gmail.com>,
	linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
	Baoquan He <bhe@redhat.com>, Lorenzo Stoakes <lstoakes@gmail.com>,
	Matthew Wilcox <willy@infradead.org>,
	Nicholas Piggin <npiggin@gmail.com>,
	Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v3 2/3] mm: vmalloc: Switch to find_unlink_vmap_area() in vm_unmap_ram()
Date: Thu, 29 Dec 2022 13:47:43 +0100	[thread overview]
Message-ID: <Y62Mb8NtZQkTmlfV@pc636> (raw)
In-Reply-To: <20221228154707.432e8900855122712f98037c@linux-foundation.org>

On Wed, Dec 28, 2022 at 03:47:07PM -0800, Andrew Morton wrote:
> On Fri, 23 Dec 2022 17:41:48 +0100 Uladzislau Rezki <urezki@gmail.com> wrote:
> 
> > > Don't we also need to remove the manual unlink that was done
> > > here previously?   Actually it seems like that manual unlink is missing
> > > after patch 1, creating a bisection hazard.  So either add it there,
> > > or just fold this patch into the previous one.
> > >
> > Right. In terms of bisection it is not so good. I think folding is the
> > best.
> > 
> > Andrew, could you please fold this patch into the:
> 
> which patch ;)
> 
Currently the next-20221226 contains three patches:

<snip>
[1]
commit c83b70c3cc1ecf99897ca0ea6e44aa2125a61ccb
Author: Uladzislau Rezki (Sony) <urezki@gmail.com>
Date:   Wed Dec 21 18:44:54 2022 +0100

    mm: vmalloc: replace BUG_ON() by WARN_ON_ONCE()

[2]
commit 8a85ea97b35924ee39d51e00ecb3f6d07f748a36
Author: Uladzislau Rezki (Sony) <urezki@gmail.com>
Date:   Wed Dec 21 18:44:53 2022 +0100

    mm: vmalloc: switch to find_unlink_vmap_area() in vm_unmap_ram()

[3]
commit a7c84c673c71cdfad20fe25e5d2051ed229859f7
Author: Uladzislau Rezki (Sony) <urezki@gmail.com>
Date:   Wed Dec 21 18:44:52 2022 +0100

    mm: vmalloc: avoid calling __find_vmap_area() twise in __vunmap()
<snip>

It would be good if you could fold [2] into [3] making it as one
patch. The problem is that, if we leave it as it is, the bisection
mechanism would consider [3] as a buggy patch, because it is not
fully accomplished and depends on [2].

Is that OK for you, i mean to squash on your own? Or i just should
resend one more time?

Thank you in advance!

--
Uladzislau Rezki

  reply	other threads:[~2022-12-29 12:48 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-22 19:00 [PATCH v3 1/3] mm: vmalloc: Avoid calling __find_vmap_area() twice in __vunmap() Uladzislau Rezki (Sony)
2022-12-22 19:00 ` [PATCH v3 2/3] mm: vmalloc: Switch to find_unlink_vmap_area() in vm_unmap_ram() Uladzislau Rezki (Sony)
2022-12-23  8:21   ` Christoph Hellwig
2022-12-23 16:41     ` Uladzislau Rezki
2022-12-28 23:47       ` Andrew Morton
2022-12-29 12:47         ` Uladzislau Rezki [this message]
2022-12-29 23:17           ` Andrew Morton
2022-12-31  9:17             ` Uladzislau Rezki
2022-12-22 19:00 ` [PATCH v3 3/3] mm: vmalloc: Replace BUG_ON() by WARN_ON_ONCE() Uladzislau Rezki (Sony)
2022-12-23  8:21   ` Christoph Hellwig
2022-12-22 20:06 ` [PATCH v3 1/3] mm: vmalloc: Avoid calling __find_vmap_area() twice in __vunmap() Lorenzo Stoakes
2022-12-23 16:42   ` Uladzislau Rezki
2022-12-23  8:19 ` Christoph Hellwig
2022-12-23 16:43   ` Uladzislau Rezki

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