[lkml]   [2001]   [Feb]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] swapin flush cache bug
Russell King wrote:
> What was the problem? The old code seems to behave well on a virtual
> address indexed virtual address tagged cache.

My case (SH-4) is: virtual address indexed, physical address tagged cache
(which has alias issue).

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.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:14    [W:0.059 / U:0.724 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site