[PATCH v2 01/13] arm: mem_init: use memblock_phys_free() to free DMA memory on SA1111
From: Mike Rapoport <rppt@kernel.org>
Date: 2025-03-13 13:50:36
Also in:
linux-alpha, linux-arch, linux-m68k, linux-mips, linux-mm, linux-riscv, linux-s390, linux-sh, linux-um, lkml, loongarch, sparclinux
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
From: "Mike Rapoport (Microsoft)" <rppt@kernel.org> This will help to pull out memblock_free_all() to generic code. Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> --- arch/arm/mm/init.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 5345d218899a..9aec1cb2386f 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c@@ -277,14 +277,14 @@ void __init mem_init(void) set_max_mapnr(pfn_to_page(max_pfn) - mem_map); - /* this will put all unused low memory onto the freelists */ - memblock_free_all(); - #ifdef CONFIG_SA1111 /* now that our DMA memory is actually so designated, we can free it */ - free_reserved_area(__va(PHYS_OFFSET), swapper_pg_dir, -1, NULL); + memblock_phys_free(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET); #endif + /* this will put all unused low memory onto the freelists */ + memblock_free_all(); + free_highpages(); /*
--
2.47.2