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Old 02-09-2011, 12:55 AM   #1
smartanwar80
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Registered: Feb 2011
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kmalloc and no data caching


Hi,

kmalloc can allocate contiguous physical memory, but can it be safely said that when we write to the memory allocated by kmalloc the physical memory gets updated immediately or does it go for a buffered write.

If it goes for buffered write how can that be disabled so that DMA operations could be done with the physical memory
 
Old 02-09-2011, 03:34 AM   #2
appilu
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Registered: Jan 2011
Distribution: RedHat,Debian-Ubuntu,Fedora
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hi smartanwar,
this link i think very useful for your querry

http://jikos.jikos.cz/Kmalloc_Internals.html
 
  


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