diff mbox series

[2/5] sparc32: use memblock to find available system memory

Message ID 20260827182757.6856-3-linmag7@gmail.com
State New
Headers show
Series sparc32: replace sp_banks with memblock | expand

Commit Message

Magnus Lindholm Aug. 27, 2026, 6:24 p.m. UTC 
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 <sam@ravnborg.org>
Signed-off-by: Magnus Lindholm <linmag7@gmail.com>
---
 arch/sparc/mm/srmmu.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)
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Patch

diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 483235458d69..3029527a5a9f 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 <szepe@pinerecords.com>, 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 =