Re: [PATCH] arm[64]/memremap: fix arch_memremap_can_ram_remap()

From: Ross Stutterheim
Date: Mon Apr 14 2025 - 10:43:03 EST


On 4/14/25 08:49, Catalin Marinas wrote:
Please cc the maintainers and the original contributor of the commit you
are fixing, otherwise the patch may not be noticed.
Thanks for adding them on your reply. I will add to V2.

diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c
index 10e246f11271..48c38c986b95 100644
--- a/arch/arm64/mm/ioremap.c
+++ b/arch/arm64/mm/ioremap.c
@@ -51,7 +51,5 @@ void __init early_ioremap_init(void)
bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size,
unsigned long flags)
{
- unsigned long pfn = PHYS_PFN(offset);
-
- return pfn_is_map_memory(pfn);
+ return pfn_is_map_memory(offset);

This is already correct.
Will remove on V2.

--
Ross