x86/mm: Check for pfn instead of page in vmalloc_sync_one()

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Do not require a struct page for the mapped memory location because it
might not exist. This can happen when an ioremapped region is mapped with
2MB pages.

Fixes: 5d72b4fba4 ('x86, mm: support huge I/O mapping capability I/F')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lkml.kernel.org/r/20190719184652.11391-2-joro@8bytes.org

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Joerg Roedel 2019-07-19 20:46:50 +02:00 • committed by Thomas Gleixner

parent 5f9e832c13

commit 51b75b5b56

1 changed files with 1 additions and 1 deletions

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arch/x86/mm/fault.c

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