Messages in this thread | | | Date | Wed, 26 Aug 2009 12:34:15 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH 1/3] hugetlbfs: Allow the creation of files suitable for MAP_PRIVATE on the vfs internal mount |
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On Tue, 25 Aug 2009, Eric B Munson wrote:
> There are two means of creating mappings backed by huge pages: > > 1. mmap() a file created on hugetlbfs > 2. Use shm which creates a file on an internal mount which essentially > maps it MAP_SHARED > > The internal mount is only used for shared mappings but there is very > little that stops it being used for private mappings. This patch extends > hugetlbfs_file_setup() to deal with the creation of files that will be > mapped MAP_PRIVATE on the internal hugetlbfs mount. This extended API is > used in a subsequent patch to implement the MAP_HUGETLB mmap() flag. > > Signed-off-by: Eric Munson <ebmunson@us.ibm.com>
Acked-by: David Rientjes <rientjes@google.com>
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