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author | Hollis Blanchard <hollisb@us.ibm.com> | 2007-02-19 16:49:12 +0900 |
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committer | Hollis Blanchard <hollisb@us.ibm.com> | 2007-02-19 16:49:12 +0900 |
commit | 6b59b9f752226c53d265fe6609d7e88f01fb0ab9 (patch) | |
tree | f609723a4e672675d63622550ae8fc64481b41cc /xen/include/xen/grant_table.h | |
parent | 188ac9feda87c12b11af6f4c05ce04e653ca7b53 (diff) | |
download | xen-6b59b9f752226c53d265fe6609d7e88f01fb0ab9.tar.gz xen-6b59b9f752226c53d265fe6609d7e88f01fb0ab9.tar.bz2 xen-6b59b9f752226c53d265fe6609d7e88f01fb0ab9.zip |
GNTTAB: PowerPC patch for dynamic grant tables.
Grant table expansion is disabled for now, since we currently make assumptions
about grant table MFNs being contiguous.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Diffstat (limited to 'xen/include/xen/grant_table.h')
-rw-r--r-- | xen/include/xen/grant_table.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/xen/include/xen/grant_table.h b/xen/include/xen/grant_table.h index 5ae9149bc1..0164668e2c 100644 --- a/xen/include/xen/grant_table.h +++ b/xen/include/xen/grant_table.h @@ -56,10 +56,14 @@ struct active_grant_entry { #define INITIAL_NR_GRANT_ENTRIES ((INITIAL_NR_GRANT_FRAMES << PAGE_SHIFT) / \ sizeof(grant_entry_t)) +#ifndef DEFAULT_MAX_NR_GRANT_FRAMES /* to allow arch to override */ /* Default maximum size of a grant table. [POLICY] */ #define DEFAULT_MAX_NR_GRANT_FRAMES 32 +#endif +#ifndef max_nr_grant_frames /* to allow arch to override */ /* The maximum size of a grant table. */ extern unsigned int max_nr_grant_frames; +#endif /* * Tracks a mapping of another domain's grant reference. Each domain has a |