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1c9cf9b211
__ioremap_check_ram() has a WARN_ONCE() which is emitted when the given pfn range is not RAM. The warning is bogus in two aspects: - it never triggers since walk_system_ram_range() only calls __ioremap_check_ram() for RAM ranges. - the warning message is wrong as it says: "ioremap on RAM' after it established that the pfn range is not RAM. Move the WARN_ONCE() to __ioremap_caller(), and update the message to include the address range so we get an actual warning when something tries to ioremap system RAM. [ tglx: Massaged changelog ] Signed-off-by: Toshi Kani <toshi.kani@hp.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Cc: Roland Dreier <roland@purestorage.com> Cc: Luis R. Rodriguez <mcgrof@suse.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/1437088996-28511-2-git-send-email-toshi.kani@hp.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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