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Subject[PATCH] drivers, vmw_balloon.c: Determine page allocation flag can_sleep outside loop.
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 In vmballoon_reserve_page function, 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>
---

diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
index 053d36c..6983d80 100644
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@ -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)



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