msm: ipa: avoid OOM Killer for temp allocations

Make changes to use __GFP_RETRY_MAYFAIL to avoid triggering
OOM Killer when allocating pages for temp allocations.

Change-Id: I2f5843c9a1c0a9f41e215c8241713f4670e4b35c
Signed-off-by: Chaitanya Pratapa <[email protected]>

drivers/platform/msm/ipa/ipa_v3/ipa_dp.c

@@ -2402,6 +2402,9 @@ static struct ipa3_rx_pkt_wrapper *ipa3_alloc_rx_pkt_page(
 		return NULL;
 
 	rx_pkt->page_data.page_order = sys->page_order;
+	/* For temporary allocations, avoid triggering OOM Killer. */
+	if (is_tmp_alloc)
+		flag |= __GFP_RETRY_MAYFAIL | __GFP_NOWARN;
 	/* Try a lower order page for order 3 pages in case allocation fails. */
 	rx_pkt->page_data.page = ipa3_alloc_page(flag,
 				&rx_pkt->page_data.page_order,