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mm/hmm: update HMM documentation

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Update the HMM documentation to reflect the latest API and make a few
minor wording changes.

Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Jérôme Glisse <jglisse@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Ralph Campbell 2019-05-06 16:29:38 -07:00 • committed by Jason Gunthorpe
parent 1c2308f0f0
commit 2076e5c045
2 changed files with 78 additions and 70 deletions
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7
include/linux/hmm.h
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@ -418,9 +418,10 @@ struct hmm_mirror_ops {
*
* @mirror: pointer to struct hmm_mirror
*
* This is called when the mm_struct is being released.
* The callback should make sure no references to the mirror occur
* after the callback returns.
* This is called when the mm_struct is being released. The callback
* must ensure that all access to any pages obtained from this mirror
* is halted before the callback returns. All future access should
* fault.
*/
void (*release)(struct hmm_mirror *mirror);