Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE)

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From: Andrea Arcangeli
Date: Thursday, July 12, 2007 - 9:31 am

On Fri, Jul 13, 2007 at 12:44:49AM +1000, David Chinner wrote:

It's not just wasted, it lowers overhead all over the place. Yes, the
benefit of wasting less pagecache may largely outweight the benefit of
having a larger page size, but if you've a lot of memory perhaps your
working set already fits in the cache, or perhaps you don't fit in the
cache regardless of the page size.
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Messages in current thread:
RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Fri Jul 6, 3:26 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Dave Hansen, (Fri Jul 6, 4:33 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Fri Jul 6, 4:52 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Badari Pulavarty, (Fri Jul 6, 6:36 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Badari Pulavarty, (Fri Jul 6, 6:47 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Paul Mackerras, (Sat Jul 7, 12:01 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Sat Jul 7, 3:12 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Sat Jul 7, 3:25 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Jan Engelhardt, (Sat Jul 7, 11:53 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Rik van Riel, (Sat Jul 7, 1:34 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Sun Jul 8, 2:52 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), David Chinner, (Sun Jul 8, 4:20 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Tue Jul 10, 3:11 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), David Chinner, (Wed Jul 11, 5:12 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Thu Jul 12, 4:14 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), David Chinner, (Thu Jul 12, 7:44 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Thu Jul 12, 9:31 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Dave Hansen, (Thu Jul 12, 9:34 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Matt Mackall, (Thu Jul 12, 10:53 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Thu Jul 12, 6:06 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), David Chinner, (Fri Jul 13, 12:13 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Dave Kleikamp, (Fri Jul 13, 7:08 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Fri Jul 13, 7:31 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), David Chinner, (Sun Jul 15, 5:27 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), William Lee Irwin III, (Tue Jul 17, 10:47 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Tue Jul 17, 12:33 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), William Lee Irwin III, (Wed Jul 18, 6:32 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Rene Herman, (Wed Jul 18, 9:34 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Wed Jul 18, 4:50 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Rene Herman, (Wed Jul 18, 5:53 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Tue Jul 24, 12:44 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), William Lee Irwin III, (Tue Jul 24, 8:20 pm)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), Andrea Arcangeli, (Wed Jul 25, 7:39 am)
Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE), William Lee Irwin III, (Wed Jul 25, 10:56 am)