[PATCH v5 3/6] mm: ioremap: Setup phys_addr of struct vm_struct

From: Kefeng Wang
Date: Tue Jun 07 2022 - 08:41:20 EST


Show physical address of each ioremap in /proc/vmallocinfo.

Acked-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
mm/ioremap.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/mm/ioremap.c b/mm/ioremap.c
index 2d754b48d230..e1d008e8f87f 100644
--- a/mm/ioremap.c
+++ b/mm/ioremap.c
@@ -33,6 +33,7 @@ void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
if (!area)
return NULL;
vaddr = (unsigned long)area->addr;
+ area->phys_addr = phys_addr;

if (ioremap_page_range(vaddr, vaddr + size, phys_addr,
__pgprot(prot))) {
--
2.35.3