lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[IA64] allocate multiple contiguous pages via uncached allocator

Browse Source 
Enable the uncached allocator to allocate multiple pages of contiguous
uncached memory.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Dean Nelson
2008-04-25 15:22:19 -05:00
committed by Tony Luck
parent e617fce64e
commit e4a064dfa2
4 changed files with 24 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/misc/sgi-xp/xpc_partition.c
View File

@@ -211,7 +211,7 @@ xpc_rsvd_page_init(void)
*/
amos_page = xpc_vars->amos_page;
if (amos_page == NULL) {
amos_page = (AMO_t *)TO_AMO(uncached_alloc_page(0));
amos_page = (AMO_t *)TO_AMO(uncached_alloc_page(0, 1));
if (amos_page == NULL) {
dev_err(xpc_part, "can't allocate page of AMOs\n");
return NULL;
@@ -230,7 +230,7 @@ xpc_rsvd_page_init(void)
dev_err(xpc_part, "can't change memory "
"protections\n");
uncached_free_page(__IA64_UNCACHED_OFFSET |
TO_PHYS((u64)amos_page));
TO_PHYS((u64)amos_page), 1);
return NULL;
}
}