From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: <catalin.marinas@arm.com>, <will@kernel.org>,
<akpm@linux-foundation.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Cc: <linux-mm@kvack.org>, <hch@infradead.org>, <arnd@arndb.de>,
<anshuman.khandual@arm.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Christoph Hellwig <hch@lst.de>
Subject: [PATCH v5 3/6] mm: ioremap: Setup phys_addr of struct vm_struct
Date: Tue, 7 Jun 2022 20:50:24 +0800 [thread overview]
Message-ID: <20220607125027.44946-4-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20220607125027.44946-1-wangkefeng.wang@huawei.com>
Show physical address of each ioremap in /proc/vmallocinfo.
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
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
next prev parent reply other threads:[~2022-06-07 12:41 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-07 12:50 [PATCH v5 0/6] arm64: Cleanup ioremap() and support ioremap_prot() Kefeng Wang
2022-06-07 12:50 ` [PATCH v5 1/6] ARM: mm: kill unused runtime hook arch_iounmap() Kefeng Wang
2022-06-07 15:40 ` Russell King (Oracle)
2022-06-14 5:47 ` kernel test robot
2022-06-14 6:12 ` Kefeng Wang
2022-06-07 12:50 ` [PATCH v5 2/6] mm: ioremap: Use more sensibly name in ioremap_prot() Kefeng Wang
2022-06-08 4:16 ` Baoquan He
2022-06-08 7:22 ` Baoquan He
2022-06-08 6:09 ` Christoph Hellwig
2022-06-08 7:04 ` Baoquan He
2022-06-10 9:22 ` [PATCH v5 resend 2/6] mm: ioremap: Use more sensible " Kefeng Wang
2022-06-07 12:50 ` Kefeng Wang [this message]
2022-06-07 12:50 ` [PATCH v5 4/6] mm: ioremap: Add ioremap/iounmap_allowed() Kefeng Wang
2022-06-08 4:18 ` Baoquan He
2022-06-08 6:10 ` Christoph Hellwig
2022-06-07 12:50 ` [PATCH v5 5/6] arm64: mm: Convert to GENERIC_IOREMAP Kefeng Wang
2022-06-07 12:50 ` [PATCH v5 6/6] arm64: Add HAVE_IOREMAP_PROT support Kefeng Wang
2022-06-14 3:21 ` [PATCH v5 0/6] arm64: Cleanup ioremap() and support ioremap_prot() Kefeng Wang
2022-06-27 11:06 ` Kefeng Wang
2022-06-27 11:14 ` Will Deacon
2022-06-27 11:19 ` Kefeng Wang
2022-06-27 13:00 ` Will Deacon
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