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Miller" , Dave Hansen , David Hildenbrand , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Heiko Carstens , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Jonathan Corbet , "Liam R. Howlett" , Lorenzo Stoakes , Magnus Lindholm , Matt Turner , Max Filippov , Michael Ellerman , Michal Hocko , Michal Simek , Mike Rapoport , Muchun Song , Oscar Salvador , Palmer Dabbelt , Pratyush Yadav , Richard Weinberger , Russell King , Stafford Horne , Suren Baghdasaryan , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Vineet Gupta , Vlastimil Babka , Will Deacon , x86@kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org Subject: [PATCH v2 17/28] sh: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:53 +0200 Message-ID: <20260102070005.65328-18-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260102070005.65328-1-rppt@kernel.org> References: <20260102070005.65328-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: B3E321A0006 X-Stat-Signature: ei9k4dhh9xko69c7ny6qdwbw666jhfbx X-HE-Tag: 1767337469-733525 X-HE-Meta: U2FsdGVkX19nhzONcBIA6oTiEQtDvuu5QXvyuR/fzPbEpYW3N/pbcG047zBQ0CAXxyGL2K4IVdGHOe/S9ZX1B05t2m7cqxkuC46sv7zhWcoChNMAjpD0K/6vG2RUE6dAGlgnhNXLDgBApj8TYHiaMh7BPoZXhdK6lGpW0g50aO8tM5JocHVIdRHO4amZHw3gEAbmDNbxoOcuI7yM2aBC2OpNwTYOYukmc50IXKm4vb7fRiELOpM5AqzVhtIsRPQSzMlb/LhYRwh7B/jRro5nyApFfrusFN1SoVO1pm0N+K69hGrNYIFTduzErr2l7cRgocN8Lryn8QrZgYoYtagsl5pgGCPWzwju6E6UxLBP1Y8MniGBZymbEo5eJTGp42n3YySyHDwwUm1PdwykQ+rcdwqKvA02Fi/+I7qW1J2aG2byncoA9GzELoh4CnqGZyUjEe6NxJm/+778g3cKRo0D7b2TGSPu8hlMfICPM1XoU8vZ2oV9SVdCr6sTYDxPISk5J0OvOsp26OKTcH9gU9F4bIkAAhoSwdb9UuBjrXnmbHseUHqWsppDNVoAu5pifaYoHglXjnsByZYhp3toxVv1iVVrq7NaTB1fA8EUXuphuTNWK/gi33MJaxUyL9Rk1H0MfHK6m6tkll//MJWB0Q4iDPu2wvthR6qXgdpLa543cYXFUdlTlRHfyyUZvHxwHiU3HOwj6a1JKwgio4ntaTZAxxSXwRo5LTrBoOb0BF5EdT4mDvHE5sQIIlkjJxtnnPyh/93HZdDkAT7vJ05MJgKEj9GwM/9pHbqnMtVx0GWBigTHY9rl61VhNT0OIoxURJJikUJO4eVY4h10kYJXeAVOJQrme1DbM9ENS6jmxtM01WBg3dPyDkKijVqqPIRIo1FYHAeNauRPn8txd5bZr2reNLzTtFk4BQ0B+G64QwazOw07JS/9GqDmKWfK+JRV0rjGIXDr9LoZM6rMXrndVvp hzJM4Lc6 aFv1HSzfOX3qNsXdNP0M4x0LsNGlEnmndvhwDXqNpxYrD9pAdxpBqswffRICjNeotC3OL7Ni4R25HEw3ZJbIgTOZDhhAYczKyLBe97+24KKWLlRH3iUaYcI6VpMqH8U4Cx0MGjgx/m+Haeb9dP1zc+5XwwWUJIEcNfNEd70w6VZ3zVqDXdW2AKhBo4gDsbobSKHHDMGIpgzEFx/A4praRsTdLbajlGn1Vbe2PLzxqtA9aiEddO7UvjU9eDVw86J98aUnAstAprUwulZb/yYpgTMjypw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" Move calculations of zone limits to a dedicated arch_zone_limits_init() function. Later MM core will use this function as an architecture specific callback during nodes and zones initialization and thus there won't be a need to call free_area_init() from every architecture. Signed-off-by: Mike Rapoport (Microsoft) --- arch/sh/mm/init.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 99e302eeeec1..5e7e63642611 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -264,6 +264,11 @@ static void __init early_reserve_mem(void) reserve_crashkernel(); } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + void __init paging_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES]; @@ -322,7 +327,7 @@ void __init paging_init(void) kmap_coherent_init(); memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0