From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Kefeng Wang <wangkefeng.wang@huawei.com>,
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,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v2 2/5] mm: ioremap: Setup phys_addr of struct vm_struct
Date: Mon, 2 May 2022 15:20:57 +0530 [thread overview]
Message-ID: <cc0e5f88-d562-74c6-d002-b9cf3196e09e@arm.com> (raw)
In-Reply-To: <20220429103225.75121-3-wangkefeng.wang@huawei.com>
On 4/29/22 16:02, Kefeng Wang wrote:
> 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>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.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);
next prev parent reply other threads:[~2022-05-02 9:50 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 ` [PATCH v2 2/5] mm: ioremap: Setup phys_addr of struct vm_struct Kefeng Wang
2022-05-02 9:50 ` Anshuman Khandual [this message]
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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