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| author | David Vrabel <david.vrabel@citrix.com> | 2015-01-05 17:13:41 +0300 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2015-01-28 17:03:10 +0300 |
| commit | 853d0289340026b30f93fd0e768340221d4e605c (patch) | |
| tree | 17d52ad1d7ae43007d8b664bbdba2a50db7dbb81 /drivers/xen/grant-table.c | |
| parent | d8ac3dd41aea245f65465449efc35dd3ac71e91d (diff) | |
| download | linux-853d0289340026b30f93fd0e768340221d4e605c.tar.xz | |
xen/grant-table: pre-populate kernel unmap ops for xen_gnttab_unmap_refs()
When unmapping grants, instead of converting the kernel map ops to
unmap ops on the fly, pre-populate the set of unmap ops.
This allows the grant unmap for the kernel mappings to be trivially
batched in the future.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'drivers/xen/grant-table.c')
| -rw-r--r-- | drivers/xen/grant-table.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 7786291ba229..999d7abdbcec 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -738,7 +738,7 @@ int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops, EXPORT_SYMBOL_GPL(gnttab_map_refs); int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops, - struct gnttab_map_grant_ref *kmap_ops, + struct gnttab_unmap_grant_ref *kunmap_ops, struct page **pages, unsigned int count) { int ret; @@ -747,7 +747,7 @@ int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops, if (ret) return ret; - return clear_foreign_p2m_mapping(unmap_ops, kmap_ops, pages, count); + return clear_foreign_p2m_mapping(unmap_ops, kunmap_ops, pages, count); } EXPORT_SYMBOL_GPL(gnttab_unmap_refs); |