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Miller" , Andreas Larsson , Andrew Morton , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() Message-ID: References: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@kernel.org> <20260511-bootmem_info_prep-v1-7-3fb0be6fc688@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260511-bootmem_info_prep-v1-7-3fb0be6fc688@kernel.org> X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 88B2C140005 X-Rspam-User: X-Stat-Signature: wdhpqqf74rbq8fq3uhxjf1qwc5tfcst7 X-HE-Tag: 1778661614-598291 X-HE-Meta: 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 TXqFnjMZ PGky/tnhJxFnwk4HASg/YuhazQq8eGpmn2HBPEdV8aUoQaBZ0yemaR9+6eXVdMt0pDBbrm8O+Goz6Duk25iZl5/P1j3pyhR4Lh+HTQjBEana2H6kHLYEPWUzS7U8bkhDcZ1RagXG1eHin5C4vO6sRptCeozxdfdnnxn9nAuR8M3/JH1g2KVnY0u/CS42W8KUtjTjmUjvNo8dVX4/sGU6uPJURd2aC4xkoBSKSq0OLR/4cgnrkL7JjkJVNmTvzScJVftNn6NfYkPq3OKg75MJIs6gkLMezVjfWvitqbrM/OxOkaW3kXCOjTOdFWpW47wcBCDQQX7CVM+vYP8S3GupgDHQwfREdImySoiTYKO/45EVKQJQ= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, May 11, 2026 at 04:05:35PM +0200, David Hildenbrand (Arm) wrote: > We never select CONFIG_HAVE_BOOTMEM_INFO_NODE on s390. Therefore, > free_bootmem_page() nowadays always translates to free_reserved_page(). > > Let's use free_reserved_page() to replace the free_bootmem_page() loop. > We can stop including bootmem_info.h. > > Likely, vmemmap freeing code could be factored out into the core in the > future. > > Signed-off-by: David Hildenbrand (Arm) Reviewed-by: Mike Rapoport (Microsoft) > --- > arch/s390/mm/vmem.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c > index eeadff45e0e1..d8b2a60e0c33 100644 > --- a/arch/s390/mm/vmem.c > +++ b/arch/s390/mm/vmem.c > @@ -4,7 +4,6 @@ > */ > > #include > -#include > #include > #include > #include > @@ -51,7 +50,7 @@ static void vmem_free_pages(unsigned long addr, int order, struct vmem_altmap *a > if (PageReserved(page)) { > /* allocated from memblock */ > while (nr_pages--) > - free_bootmem_page(page++); > + free_reserved_page(page++); > } else { > free_pages(addr, order); > } > > -- > 2.43.0 > -- Sincerely yours, Mike.