On Mon, Aug 22, 2011 at 04:43:55PM -0500, subin gangadharan wrote: > Hi Dave, > > >Also keep in mind that when you vmalloc stuff you're allocating in > >units of pages, and there is a guard page between each allocation. So > >if you had 512 Mb of virtual space (which is 131,072 pages), you'll be > >able to vmalloc a maximum of 65536 objects or 1 page each. Fewer > >objects if they're bigger than a page. > > A quick question, Suppose if I alloc 1MB of memory using vmalloc,Is there a > guard page between each page or is it after the 1MB. If you do it one vmalloc call your 1MiB should be continuous, i.e. if there's a guard page it will be after your megabyte. HTH, Jonathan Neuschäfer _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
