drivers/misc/vmw_balloon.c: determine page allocation flag can_sleep outside loop
Rakib Mullick [Wed, 2 Nov 2011 20:40:04 +0000 (13:40 -0700)]
In vmballoon_reserve_page(), flags has been passed from the callee
function (vmballoon_inflate here).  So, we can determine can_sleep outside
the loop.

Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Acked-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/misc/vmw_balloon.c

index 053d36c..6983d80 100644 (file)
@@ -412,6 +412,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep)
        gfp_t flags;
        unsigned int hv_status;
        bool locked = false;
+       flags = can_sleep ? VMW_PAGE_ALLOC_CANSLEEP : VMW_PAGE_ALLOC_NOSLEEP;
 
        do {
                if (!can_sleep)
@@ -419,7 +420,6 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep)
                else
                        STATS_INC(b->stats.sleep_alloc);
 
-               flags = can_sleep ? VMW_PAGE_ALLOC_CANSLEEP : VMW_PAGE_ALLOC_NOSLEEP;
                page = alloc_page(flags);
                if (!page) {
                        if (!can_sleep)