Messages in this thread | | | Date | Thu, 8 Mar 2001 09:24:13 -0300 (BRST) | From | Rik van Riel <> | Subject | Re: Questions - Re: [PATCH] documentation for mm.h |
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On Thu, 8 Mar 2001, Anton Altaparmakov wrote: > At 22:33 07/03/2001, Rik van Riel wrote: > [snip] > > typedef struct page { > >+ struct list_head list; /* ->mapping has some page lists. */ > >+ struct address_space *mapping; /* The inode (or ...) we belong to. */ > >+ unsigned long index; /* Our offset within mapping. */ > > Assuming index is in bytes (it looks like it is): Shouldn't index of type
It's in units of PAGE_CACHE_SIZE. I've corrected the documentation.
> [snip] > >+ * During disk I/O, PG_locked is used. This bit is set before I/O > >+ * and reset when I/O completes. page->wait is a wait queue of all > >+ * tasks waiting for the I/O on this page to complete. > > Is this physical I/O only or does it include a driver > writing/reading the page?
I'm not sure ... anyone ?
regards,
Rik -- Linux MM bugzilla: http://linux-mm.org/bugzilla.shtml
Virtual memory is like a game you can't win; However, without VM there's truly nothing to lose...
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