On Tue, Apr 13, 2010 at 4:35 AM, Jörgen Pihlflyckt <[email protected]> wrote: > Hi! > > I noticed that the devmem applet maps two consecutive pages of memory in order > to allow access to a (non-aligned) object that spans two pages. This is a > problem if we are working with the last page of memory because the next page > would wrap around to the first page of memory. > > This patch makes devmem map only a single page if it is at the end of the > memory address space.
How about this patch? It maps two pages only if needed. It will (try to) map past the end, but only if user actually request an access which spans the end of last page. -- vda
7.patch
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