Messages in this thread | | | From | "Henrik Rydberg" <> | Date | Thu, 6 Dec 2012 22:39:09 +0100 | Subject | Re: Oops in 3.7-rc8 isolate_free_pages_block() |
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> There is also a > > low_pfn += pageblock_nr_pages; > low_pfn = ALIGN(low_pfn, pageblock_nr_pages) - 1; > > that looks suspicious for similar reasons. Maybe > > low_pfn = ALIGN(low_pfn + 1, pageblock_nr_pages) - 1; > > instead? Although that *can* result in the same low_pfn in the end, so > maybe that one was correct after all? I just did some grepping, no > actual semantic analysis...
Here is a totally obscure version:
low_pfn |= pageblock_nr_pages - 1;
It simply moves to the very end of the block, which seems to be what was intended.
Henrik
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