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Wed, 07 Oct 2026 10:41:43 -0700 (PDT) From: Magnus Lindholm To: davem@davemloft.net, andreas@gaisler.com Cc: sam@ravnborg.org, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linmag7@gmail.com Subject: [PATCH v5 2/6] sparc32: use memblock to find available system memory Date: Wed, 7 Oct 2026 19:41:11 +0200 Message-ID: <20261007174128.959307-3-linmag7@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261007174128.959307-1-linmag7@gmail.com> References: <20261007174128.959307-1-linmag7@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The SRMMU nocache pool is sized after memblock has been populated. Use memblock_phys_mem_size() instead of summing the private sp_banks array. Suggested-by: Sam Ravnborg Reviewed-by: Sam Ravnborg Signed-off-by: Magnus Lindholm --- arch/sparc/mm/srmmu.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 110e2f248c60..7b57a10c961f 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -226,25 +226,13 @@ void srmmu_free_nocache(void *addr, int size) static void srmmu_early_allocate_ptable_skeleton(unsigned long start, unsigned long end); -/* Return how much physical memory we have. */ -static unsigned long __init probe_memory(void) -{ - unsigned long total = 0; - int i; - - for (i = 0; sp_banks[i].num_bytes; i++) - total += sp_banks[i].num_bytes; - - return total; -} - /* * Reserve nocache dynamically proportionally to the amount of * system RAM. -- Tomas Szepe , June 2002 */ static void __init srmmu_nocache_calcsize(void) { - unsigned long sysmemavail = probe_memory() / 1024; + unsigned long sysmemavail = memblock_phys_mem_size() / 1024; int srmmu_nocache_npages; srmmu_nocache_npages = -- 2.43.0