From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: linux-mm@kvack.org
Subject: Re: [PATCH v2] mm: Fix memblock_free_late() when using deferred struct page
Date: Fri, 20 Feb 2026 16:47:25 +1100 [thread overview]
Message-ID: <85ce6a26fbeb79a58b64df682b08e5bbf4c6abd8.camel@kernel.crashing.org> (raw)
In-Reply-To: <aZbjCFqlqdFwKSHR@kernel.org>
On Thu, 2026-02-19 at 12:16 +0200, Mike Rapoport wrote:
> + ranges_to_free = kzalloc(sizeof(*ranges_to_free) * efi.memmap.nr_map,
> + GFP_KERNEL);
Another issue ... you need to alloc n+1 since you need a terminating
NULL entry and there's no guarantee that the memory map will contain
something you can't free :-) Very very hypothetical scenario but...
Cheers,
Ben.
prev parent reply other threads:[~2026-02-20 5:47 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-03 8:02 [PATCH] " Benjamin Herrenschmidt
2026-02-03 18:40 ` Mike Rapoport
2026-02-03 19:53 ` Benjamin Herrenschmidt
2026-02-04 7:39 ` Mike Rapoport
2026-02-04 9:02 ` Benjamin Herrenschmidt
2026-02-06 10:33 ` Mike Rapoport
2026-02-10 1:04 ` Benjamin Herrenschmidt
2026-02-10 2:10 ` Benjamin Herrenschmidt
2026-02-10 6:17 ` Benjamin Herrenschmidt
2026-02-10 8:34 ` Benjamin Herrenschmidt
2026-02-10 14:32 ` Mike Rapoport
2026-02-10 23:23 ` Benjamin Herrenschmidt
2026-02-11 5:20 ` Mike Rapoport
2026-02-16 5:34 ` Benjamin Herrenschmidt
2026-02-16 6:51 ` Benjamin Herrenschmidt
2026-02-16 4:53 ` Benjamin Herrenschmidt
2026-02-16 15:28 ` Mike Rapoport
2026-02-16 10:36 ` Alexander Potapenko
2026-02-17 8:28 ` [PATCH v2] " Benjamin Herrenschmidt
2026-02-17 12:32 ` Mike Rapoport
2026-02-17 22:00 ` Benjamin Herrenschmidt
2026-02-17 21:47 ` Benjamin Herrenschmidt
2026-02-18 0:15 ` Benjamin Herrenschmidt
2026-02-18 8:05 ` Mike Rapoport
2026-02-19 2:48 ` Benjamin Herrenschmidt
2026-02-19 10:16 ` Mike Rapoport
2026-02-19 22:46 ` Benjamin Herrenschmidt
2026-02-20 4:57 ` Benjamin Herrenschmidt
2026-02-20 9:09 ` Mike Rapoport
2026-02-20 9:00 ` Mike Rapoport
2026-02-20 5:12 ` Benjamin Herrenschmidt
2026-02-20 5:15 ` Benjamin Herrenschmidt
2026-02-20 5:47 ` Benjamin Herrenschmidt [this message]
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