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>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Christoph Hellwig <hch@lst.de>
Subject: [PATCH v2 2/5] mm: ioremap: Setup phys_addr of struct vm_struct
Date: Fri, 29 Apr 2022 18:32:22 +0800 [thread overview]
Message-ID: <20220429103225.75121-3-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20220429103225.75121-1-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>
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
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next prev parent reply other threads:[~2022-04-29 10:29 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-29 10:32 [PATCH v2 0/5] arm64: Cleanup ioremap() and support ioremap_prot() Kefeng Wang
2022-04-29 10:32 ` [PATCH v2 1/5] mm: ioremap: Use more sensibly name in ioremap_prot() Kefeng Wang
2022-05-02 9:38 ` Anshuman Khandual
2022-04-29 10:32 ` Kefeng Wang [this message]
2022-05-02 9:50 ` [PATCH v2 2/5] mm: ioremap: Setup phys_addr of struct vm_struct Anshuman Khandual
2022-04-29 10:32 ` [PATCH v2 3/5] mm: ioremap: Add arch_ioremap/iounmap() Kefeng Wang
2022-05-19 4:46 ` Anshuman Khandual
2022-05-19 6:24 ` Kefeng Wang
2022-04-29 10:32 ` [PATCH v2 4/5] arm64: mm: Convert to GENERIC_IOREMAP Kefeng Wang
2022-04-29 23:15 ` kernel test robot
2022-05-02 3:27 ` [PATCH v2 resend " Kefeng Wang
2022-05-16 22:47 ` Catalin Marinas
2022-05-19 5:34 ` Anshuman Khandual
2022-05-19 6:31 ` Kefeng Wang
2022-04-29 10:32 ` [PATCH v2 5/5] arm64: Add HAVE_IOREMAP_PROT support Kefeng Wang
2022-05-16 22:48 ` Catalin Marinas
2022-05-19 5:06 ` Anshuman Khandual
2022-05-10 7:06 ` [PATCH v2 0/5] arm64: Cleanup ioremap() and support ioremap_prot() Kefeng Wang
2022-05-16 22:51 ` Catalin Marinas
2022-05-19 3:37 ` Kefeng Wang
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