From: Uladzislau Rezki <urezki@gmail.com>
To: Shivam Kalra <shivamkalra98@zohomail.in>
Cc: Uladzislau Rezki <urezki@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Alice Ryhl <aliceryhl@google.com>,
Danilo Krummrich <dakr@kernel.org>
Subject: Re: [PATCH v12 2/5] mm/vmalloc: use physical page count for vrealloc() grow-in-place check
Date: Thu, 7 May 2026 19:21:55 +0200 [thread overview]
Message-ID: <afzKM3qRDI5JOycs@milan> (raw)
In-Reply-To: <ed1a55f5-615f-42d4-805b-5f53ae2a529c@zohomail.in>
On Thu, May 07, 2026 at 01:13:35AM +0530, Shivam Kalra wrote:
> On 07/05/26 00:17, Uladzislau Rezki wrote:
> > Maybe we should consider Fujunjie approach and borrow his idea to shrink VA also?
> > In that case, we do not need to switch to vm->nr_pages? And we do not
> > need
> >
> > [PATCH v12 3/5] mm/vmalloc: use physical page count in vread_iter()
> >
> > ?
> >
> > --
> > Uladzislau Rezki
> I didn't want to change the va in this patch series and wanted to keep
> it simple.
> If we change the va, we will also need to rebalance the rb tree.
> I can work on a followup patch series if VA space pressure is critical.
>
Actually it is not critical. The idea is if we shrink VA then we do not
need care much about the size thus keeping vread_iter() unchanged as
well as [PATCH v12 2/5]? at least partly.
I am find with it anyway.
Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
--
Uladzislau Rezki
next prev parent reply other threads:[~2026-05-07 17:22 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 20:24 [PATCH v12 0/5] mm/vmalloc: free unused pages on vrealloc() shrink Shivam Kalra
2026-04-27 20:24 ` Shivam Kalra via B4 Relay
2026-04-27 20:24 ` [PATCH v12 1/5] mm/vmalloc: extract vm_area_free_pages() helper from vfree() Shivam Kalra
2026-04-27 20:24 ` Shivam Kalra via B4 Relay
2026-05-06 18:32 ` Uladzislau Rezki
2026-04-27 20:24 ` [PATCH v12 2/5] mm/vmalloc: use physical page count for vrealloc() grow-in-place check Shivam Kalra
2026-04-27 20:24 ` Shivam Kalra via B4 Relay
2026-05-06 18:47 ` Uladzislau Rezki
2026-05-06 19:43 ` Shivam Kalra
2026-05-07 17:21 ` Uladzislau Rezki [this message]
2026-05-07 19:06 ` Shivam Kalra
2026-05-08 15:27 ` Uladzislau Rezki
2026-04-27 20:24 ` [PATCH v12 3/5] mm/vmalloc: use physical page count in vread_iter() Shivam Kalra
2026-04-27 20:24 ` Shivam Kalra via B4 Relay
2026-05-06 18:28 ` Uladzislau Rezki
2026-04-27 20:24 ` [PATCH v12 4/5] mm/vmalloc: free unused pages on vrealloc() shrink Shivam Kalra
2026-04-27 20:24 ` Shivam Kalra via B4 Relay
2026-05-06 18:27 ` Uladzislau Rezki
2026-04-27 20:24 ` [PATCH v12 5/5] lib/test_vmalloc: add vrealloc test case Shivam Kalra
2026-04-27 20:24 ` Shivam Kalra via B4 Relay
2026-05-05 15:42 ` [PATCH v12 0/5] mm/vmalloc: free unused pages on vrealloc() shrink Shivam Kalra
2026-05-09 0:27 ` Andrew Morton
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