linux-kernel - [PATCH 1/4] mm: ioremap: Setup phys_addr of struct vm

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Date:   Wed, 27 Apr 2022 20:14:10 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <linux-mm@...ck.org>, Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH 1/4] mm: ioremap: Setup phys_addr of struct vm_struct

Show physical address in /proc/vmallocinfo.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 mm/ioremap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/ioremap.c b/mm/ioremap.c
index 5fe598ecd9b7..522ef899c35f 100644
--- a/mm/ioremap.c
+++ b/mm/ioremap.c
@@ -32,6 +32,7 @@ void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot)
 	if (!area)
 		return NULL;
 	vaddr = (unsigned long)area->addr;
+	area->phys_addr = addr;
 
 	if (ioremap_page_range(vaddr, vaddr + size, addr, __pgprot(prot))) {
 		free_vm_area(area);
-- 
2.26.2