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 v3 3/6] mm: ioremap: Setup phys_addr of struct vm_struct
Date: Thu, 19 May 2022 16:25:49 +0800 [thread overview]
Message-ID: <20220519082552.117736-4-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20220519082552.117736-1-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:[~2022-05-19 8:18 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-19 8:25 [PATCH v3 0/6] arm64: Cleanup ioremap() and support ioremap_prot() Kefeng Wang
2022-05-19 8:25 ` [PATCH v3 1/6] ARM: mm: kill unused runtime hook arch_iounmap() Kefeng Wang
2022-05-19 8:51 ` Anshuman Khandual
2022-05-20 15:28 ` Catalin Marinas
2022-05-24 2:03 ` Kefeng Wang
2022-05-21 20:30 ` Arnd Bergmann
2022-05-19 8:25 ` [PATCH v3 2/6] mm: ioremap: Use more sensibly name in ioremap_prot() Kefeng Wang
2022-05-19 8:25 ` Kefeng Wang [this message]
2022-05-19 8:25 ` [PATCH v3 4/6] mm: ioremap: Add arch_ioremap/iounmap() Kefeng Wang
2022-05-19 18:52 ` Andrew Morton
2022-05-20 1:22 ` Kefeng Wang
2022-05-23 3:57 ` Anshuman Khandual
2022-05-23 22:17 ` kernel test robot
2022-05-24 9:48 ` Kefeng Wang
2022-05-24 12:35 ` Arnd Bergmann
2022-05-24 14:31 ` Kefeng Wang
2022-05-24 12:37 ` Arnd Bergmann
2022-05-24 14:32 ` Kefeng Wang
2022-05-24 14:47 ` Arnd Bergmann
2022-05-24 14:53 ` Kefeng Wang
2022-05-31 6:13 ` Christoph Hellwig
2022-06-01 1:05 ` Kefeng Wang
2022-05-19 8:25 ` [PATCH v3 5/6] arm64: mm: Convert to GENERIC_IOREMAP Kefeng Wang
2022-05-19 8:25 ` [PATCH v3 6/6] arm64: Add HAVE_IOREMAP_PROT support Kefeng Wang
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