From: huangzq2 <huangzq2@motorola.com>
Date: Thu, 13 Jun 2019 06:34:20 +0000 (+0800)
Subject: fix the f2fs mount failed issue in low memory case
X-Git-Tag: MMI-QSAS30.62-33-3~121
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7681d6bb2cf35d0a7ec523afbc6ae1f12947cc50;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

fix the f2fs mount failed issue in low memory case

On the RACK test, the SDcard often mount failed becuase of the
page allocation failure. After checked with f2fs owner, we can
use kvzmalloc to alloc non-continuous memory in case continuous
memory allocation failed.

Change-Id: Ifd83e8b9a6bff241ed851007a3b7aec49b413eb3
Signed-off-by: huangzq2 <huangzq2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1370212
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Wei Deng <dengwei1@motorola.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
---

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index a4290c79fb24..6edd9eb211e3 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2776,7 +2776,7 @@ static int init_free_nid_cache(struct f2fs_sb_info *sbi)
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
 	int i;
 
-	nm_i->free_nid_bitmap = f2fs_kzalloc(sbi, nm_i->nat_blocks *
+	nm_i->free_nid_bitmap = f2fs_kvzalloc(sbi, nm_i->nat_blocks *
 				sizeof(unsigned char *), GFP_KERNEL);
 	if (!nm_i->free_nid_bitmap)
 		return -ENOMEM;
@@ -2883,7 +2883,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
 
 		for (i = 0; i < nm_i->nat_blocks; i++)
 			kvfree(nm_i->free_nid_bitmap[i]);
-		kfree(nm_i->free_nid_bitmap);
+		kvfree(nm_i->free_nid_bitmap);
 	}
 	kvfree(nm_i->free_nid_count);