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From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Cc: <linux-mm@kvack.org>, Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH 1/4] mm: ioremap: Setup phys_addr of struct vm_struct
Date: Wed, 27 Apr 2022 20:14:10 +0800	[thread overview]
Message-ID: <20220427121413.168468-2-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20220427121413.168468-1-wangkefeng.wang@huawei.com>

Show physical address in /proc/vmallocinfo.

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 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


WARNING: multiple messages have this Message-ID (diff)
From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	 Andrew Morton <akpm@linux-foundation.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Cc: <linux-mm@kvack.org>, Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH 1/4] mm: ioremap: Setup phys_addr of struct vm_struct
Date: Wed, 27 Apr 2022 20:14:10 +0800	[thread overview]
Message-ID: <20220427121413.168468-2-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20220427121413.168468-1-wangkefeng.wang@huawei.com>

Show physical address in /proc/vmallocinfo.

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 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


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  reply	other threads:[~2022-04-27 12:02 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-27 12:14 [PATCH 0/4] arm64: Cleanup ioremap() and support ioremap_prot() Kefeng Wang
2022-04-27 12:14 ` Kefeng Wang
2022-04-27 12:14 ` Kefeng Wang [this message]
2022-04-27 12:14   ` [PATCH 1/4] mm: ioremap: Setup phys_addr of struct vm_struct Kefeng Wang
2022-04-27 17:10   ` Andrew Morton
2022-04-27 17:10     ` Andrew Morton
2022-04-28  1:40     ` Kefeng Wang
2022-04-28  1:40       ` Kefeng Wang
2022-04-28 15:41   ` Christoph Hellwig
2022-04-28 15:41     ` Christoph Hellwig
2022-04-27 12:14 ` [PATCH 2/4] mm: ioremap: Add arch_ioremap/iounmap_check() Kefeng Wang
2022-04-27 12:14   ` Kefeng Wang
2022-04-27 17:04   ` Andrew Morton
2022-04-27 17:04     ` Andrew Morton
2022-04-28  6:16     ` Kefeng Wang
2022-04-28  6:16       ` Kefeng Wang
2022-04-28 15:46       ` Christoph Hellwig
2022-04-28 15:46         ` Christoph Hellwig
2022-04-27 18:20   ` Arnd Bergmann
2022-04-27 18:20     ` Arnd Bergmann
2022-04-27 18:25     ` Andrew Morton
2022-04-27 18:25       ` Andrew Morton
2022-04-27 20:46       ` Arnd Bergmann
2022-04-27 20:46         ` Arnd Bergmann
2022-04-28  6:20     ` Kefeng Wang
2022-04-28  6:20       ` Kefeng Wang
2022-04-28  6:47       ` Arnd Bergmann
2022-04-28  6:47         ` Arnd Bergmann
2022-04-27 12:14 ` [PATCH 3/4] arm64: mm: Convert to GENERIC_IOREMAP Kefeng Wang
2022-04-27 12:14   ` Kefeng Wang
2022-04-27 17:11   ` Andrew Morton
2022-04-27 17:11     ` Andrew Morton
2022-04-27 12:14 ` [PATCH 4/4] arm64: Add HAVE_IOREMAP_PROT support Kefeng Wang
2022-04-27 12:14   ` Kefeng Wang
2022-04-28 10:46 ` [PATCH 0/4] arm64: Cleanup ioremap() and support ioremap_prot() Will Deacon
2022-04-28 10:46   ` Will Deacon
2022-04-28 11:48   ` Kefeng Wang
2022-04-28 11:48     ` Kefeng Wang
2022-04-28 15:48   ` Christoph Hellwig
2022-04-28 15:48     ` Christoph Hellwig

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