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| author |   David Vrabel <david.vrabel@citrix.com> | 2015-01-08 18:06:01 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2015-01-28 14:03:12 +0000 |
| commit | ff4b156f166b3931894d2a8b5cdba6cdf4da0618 (patch) | |
| tree | dfb7d79d269b365b2a95efa390c0fe62a8de935e /drivers/xen/xen-scsiback.c | |
| parent | x86/xen: require ballooned pages for grant maps (diff) | |
| download | linux-dev-ff4b156f166b3931894d2a8b5cdba6cdf4da0618.tar.xz linux-dev-ff4b156f166b3931894d2a8b5cdba6cdf4da0618.zip | |
xen/grant-table: add helpers for allocating pages
Add gnttab_alloc_pages() and gnttab_free_pages() to allocate/free pages
suitable to for granted maps.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'drivers/xen/xen-scsiback.c')
| -rw-r--r-- | drivers/xen/xen-scsiback.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index e999496eda3e..ecd540a7a562 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -227,7 +227,7 @@ static void put_free_pages(struct page **page, int num) return; if (i > scsiback_max_buffer_pages) { n = min(num, i - scsiback_max_buffer_pages); - free_xenballooned_pages(n, page + num - n); + gnttab_free_pages(n, page + num - n); n = num - n; } spin_lock_irqsave(&free_pages_lock, flags); @@ -244,7 +244,7 @@ static int get_free_page(struct page **page) spin_lock_irqsave(&free_pages_lock, flags); if (list_empty(&scsiback_free_pages)) { spin_unlock_irqrestore(&free_pages_lock, flags); - return alloc_xenballooned_pages(1, page, false); + return gnttab_alloc_pages(1, page); } page[0] = list_first_entry(&scsiback_free_pages, struct page, lru); list_del(&page[0]->lru); @@ -2106,7 +2106,7 @@ static void __exit scsiback_exit(void) while (free_pages_num) { if (get_free_page(&page)) BUG(); - free_xenballooned_pages(1, &page); + gnttab_free_pages(1, &page); } scsiback_deregister_configfs(); xenbus_unregister_driver(&scsiback_driver); |