Messages in this thread | | | Date | Tue, 05 May 2009 20:53:47 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 3/6] ksm: change the KSM_REMOVE_MEMORY_REGION ioctl. |
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Izik Eidus wrote: > This patch change the KSM_REMOVE_MEMORY_REGION ioctl to be specific per > memory region (instead of flushing all the registred memory regions inside > the file descriptor like it happen now) > > The previoes api was: > user register memory regions using KSM_REGISTER_MEMORY_REGION inside the fd, > and then when he wanted to remove just one memory region, he had to remove them > all using KSM_REMOVE_MEMORY_REGION. > > This patch change this beahivor by chaning the KSM_REMOVE_MEMORY_REGION > ioctl to recive another paramter that it is the begining of the virtual > address that is wanted to be removed.
This is different from munmap and madvise, which take both start address and length.
Why?
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