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 v4 3/6] mm: ioremap: Setup phys_addr of struct vm_struct
Date: Mon, 6 Jun 2022 15:48:12 +0800 [thread overview]
Message-ID: <20220606074815.139265-4-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20220606074815.139265-1-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 1f9597fbcc07..7cb9996b0c12 100644
--- a/mm/ioremap.c
+++ b/mm/ioremap.c
@@ -32,6 +32,7 @@ void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size, unsigned long pro
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))) {
free_vm_area(area);
--
2.35.3
next prev parent reply other threads:[~2022-06-06 7:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-06 7:48 [PATCH v4 0/6] arm64: Cleanup ioremap() and support ioremap_prot() Kefeng Wang
2022-06-06 7:48 ` [PATCH v4 1/6] ARM: mm: kill unused runtime hook arch_iounmap() Kefeng Wang
2022-06-06 7:49 ` Christoph Hellwig
2022-06-06 7:48 ` [PATCH v4 2/6] mm: ioremap: Use more sensibly name in ioremap_prot() Kefeng Wang
2022-06-06 7:50 ` Christoph Hellwig
2022-06-06 7:48 ` Kefeng Wang [this message]
2022-06-06 7:48 ` [PATCH v4 4/6] mm: ioremap: Add ioremap/iounmap_allowed() Kefeng Wang
2022-06-06 7:50 ` Christoph Hellwig
2022-06-06 15:14 ` Baoquan He
2022-06-07 7:37 ` Kefeng Wang
2022-06-06 7:48 ` [PATCH v4 5/6] arm64: mm: Convert to GENERIC_IOREMAP Kefeng Wang
2022-06-06 7:54 ` Christoph Hellwig
2022-06-06 13:28 ` Kefeng Wang
2022-06-06 16:28 ` Christoph Hellwig
2022-06-06 17:41 ` kernel test robot
2022-06-06 7:48 ` [PATCH v4 6/6] arm64: Add HAVE_IOREMAP_PROT support Kefeng Wang
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