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Jeff Mahoney reported: > With Suse's hwinfo tool, on -tip: > WARNING: at arch/x86/mm/pat.c:637 reserve_pfn_range+0x5b/0x26d() reserve_pfn_range() is not tracking the memory range below 1MB as non-RAM and as such is inconsistent with similar checks in reserve_memtype() and free_memtype() Rename the pagerange_is_ram() to pat_pagerange_is_ram() and add the "track legacy 1MB region as non RAM" condition. And also, fix reserve_pfn_range() to return -EINVAL, when the pfn range is RAM. This is to be consistent with this API design. Reported-and-tested-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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