mirror of https://gitee.com/openkylin/linux.git
76c8e25b90
For some stupid reason I can't explain (brown paper bag is at hand), I removed the check pfn_valid() in the code that does the icache/dcache coherency on POWER4 and later. That causes us to eventually try to access non existing struct page when hashing in IO pages. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org> |
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