f2fs: use kvmalloc, if kmalloc is failed
One report says memalloc failure during mount.
(unwind_backtrace) from [<c010cd4c>] (show_stack+0x10/0x14)
(show_stack) from [<c049c6b8>] (dump_stack+0x8c/0xa0)
(dump_stack) from [<c024fcf0>] (warn_alloc+0xc4/0x160)
(warn_alloc) from [<c0250218>] (__alloc_pages_nodemask+0x3f4/0x10d0)
(__alloc_pages_nodemask) from [<c0270450>] (kmalloc_order_trace+0x2c/0x120)
(kmalloc_order_trace) from [<c03fa748>] (build_node_manager+0x35c/0x688)
(build_node_manager) from [<c03de494>] (f2fs_fill_super+0xf0c/0x16cc)
(f2fs_fill_super) from [<c02a5864>] (mount_bdev+0x15c/0x188)
(mount_bdev) from [<c03da624>] (f2fs_mount+0x18/0x20)
(f2fs_mount) from [<c02a68b8>] (mount_fs+0x158/0x19c)
(mount_fs) from [<c02c3c9c>] (vfs_kern_mount+0x78/0x134)
(vfs_kern_mount) from [<c02c76ac>] (do_mount+0x474/0xca4)
(do_mount) from [<c02c8264>] (SyS_mount+0x94/0xbc)
(SyS_mount) from [<c0108180>] (ret_fast_syscall+0x0/0x48)
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 90539fe..4db975e 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -706,7 +706,7 @@
"f2fs_flush-%u:%u", MAJOR(dev), MINOR(dev));
if (IS_ERR(fcc->f2fs_issue_flush)) {
err = PTR_ERR(fcc->f2fs_issue_flush);
- kfree(fcc);
+ kvfree(fcc);
SM_I(sbi)->fcc_info = NULL;
return err;
}
@@ -725,7 +725,7 @@
kthread_stop(flush_thread);
}
if (free) {
- kfree(fcc);
+ kvfree(fcc);
SM_I(sbi)->fcc_info = NULL;
}
}
@@ -2009,7 +2009,7 @@
"f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev));
if (IS_ERR(dcc->f2fs_issue_discard)) {
err = PTR_ERR(dcc->f2fs_issue_discard);
- kfree(dcc);
+ kvfree(dcc);
SM_I(sbi)->dcc_info = NULL;
return err;
}
@@ -2026,7 +2026,7 @@
f2fs_stop_discard_thread(sbi);
- kfree(dcc);
+ kvfree(dcc);
SM_I(sbi)->dcc_info = NULL;
}
@@ -4314,7 +4314,7 @@
destroy_victim_secmap(sbi);
SM_I(sbi)->dirty_info = NULL;
- kfree(dirty_i);
+ kvfree(dirty_i);
}
static void destroy_curseg(struct f2fs_sb_info *sbi)
@@ -4326,10 +4326,10 @@
return;
SM_I(sbi)->curseg_array = NULL;
for (i = 0; i < NR_CURSEG_TYPE; i++) {
- kfree(array[i].sum_blk);
- kfree(array[i].journal);
+ kvfree(array[i].sum_blk);
+ kvfree(array[i].journal);
}
- kfree(array);
+ kvfree(array);
}
static void destroy_free_segmap(struct f2fs_sb_info *sbi)
@@ -4340,7 +4340,7 @@
SM_I(sbi)->free_info = NULL;
kvfree(free_i->free_segmap);
kvfree(free_i->free_secmap);
- kfree(free_i);
+ kvfree(free_i);
}
static void destroy_sit_info(struct f2fs_sb_info *sbi)
@@ -4353,26 +4353,26 @@
if (sit_i->sentries) {
for (start = 0; start < MAIN_SEGS(sbi); start++) {
- kfree(sit_i->sentries[start].cur_valid_map);
+ kvfree(sit_i->sentries[start].cur_valid_map);
#ifdef CONFIG_F2FS_CHECK_FS
- kfree(sit_i->sentries[start].cur_valid_map_mir);
+ kvfree(sit_i->sentries[start].cur_valid_map_mir);
#endif
- kfree(sit_i->sentries[start].ckpt_valid_map);
- kfree(sit_i->sentries[start].discard_map);
+ kvfree(sit_i->sentries[start].ckpt_valid_map);
+ kvfree(sit_i->sentries[start].discard_map);
}
}
- kfree(sit_i->tmp_map);
+ kvfree(sit_i->tmp_map);
kvfree(sit_i->sentries);
kvfree(sit_i->sec_entries);
kvfree(sit_i->dirty_sentries_bitmap);
SM_I(sbi)->sit_info = NULL;
- kfree(sit_i->sit_bitmap);
+ kvfree(sit_i->sit_bitmap);
#ifdef CONFIG_F2FS_CHECK_FS
- kfree(sit_i->sit_bitmap_mir);
+ kvfree(sit_i->sit_bitmap_mir);
#endif
- kfree(sit_i);
+ kvfree(sit_i);
}
void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi)
@@ -4388,7 +4388,7 @@
destroy_free_segmap(sbi);
destroy_sit_info(sbi);
sbi->sm_info = NULL;
- kfree(sm_info);
+ kvfree(sm_info);
}
int __init f2fs_create_segment_manager_caches(void)