Commit a14fff1c authored by Kefeng Wang's avatar Kefeng Wang Committed by Will Deacon
Browse files

mm: ioremap: Setup phys_addr of struct vm_struct 



Show physical address of each ioremap in /proc/vmallocinfo.

Acked-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/20220607125027.44946-4-wangkefeng.wang@huawei.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent abc5992b

mm/ioremap.c

+1 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size, 
	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))) {