Messages in this thread | | | Subject | Re: [PATCH] swapin flush cache bug | Date | Tue, 13 Feb 2001 11:26:14 +0000 (GMT) | From | Alan Cox <> |
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> Suppose there's I/O to the physical page P asynchronously, and the > page is placed in the swap cache. It remains cache entry, say, > indexed kernel virtual address K. Then, process maps P at U. U and K > (may) indexes differently. The process will get the data from memory > (not the one in the cashe), if it's not flushed.
Ok we need to handle that case a bit more intelligently so those flushes dont get into other ports code paths.
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