Re: [f2fs-dev] [PATCH 1/3] f2fs: use kvmalloc, if kmalloc is failed

From: Chao Yu
Date: Tue Dec 18 2018 - 03:38:04 EST


On 2018/12/14 13:01, Jaegeuk Kim wrote:
> 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)
>
> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>

Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>

Thanks,