Re: [PATCH 01/12] xfs: convert kmem_zalloc() to kzalloc()

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On Tue, Jan 16, 2024 at 09:59:39AM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> There's no reason to keep the kmem_zalloc() around anymore, it's
> just a thin wrapper around kmalloc(), so lets get rid of it.
> 
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>

Looks good to me
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>

--D

> ---
>  fs/xfs/kmem.h                     |  7 -------
>  fs/xfs/libxfs/xfs_ag.c            |  2 +-
>  fs/xfs/libxfs/xfs_attr_leaf.c     |  3 ++-
>  fs/xfs/libxfs/xfs_btree_staging.c |  2 +-
>  fs/xfs/libxfs/xfs_da_btree.c      |  5 +++--
>  fs/xfs/libxfs/xfs_defer.c         |  2 +-
>  fs/xfs/libxfs/xfs_dir2.c          | 18 +++++++++---------
>  fs/xfs/libxfs/xfs_iext_tree.c     | 12 ++++++++----
>  fs/xfs/xfs_attr_item.c            |  4 ++--
>  fs/xfs/xfs_buf.c                  |  6 +++---
>  fs/xfs/xfs_buf_item.c             |  4 ++--
>  fs/xfs/xfs_error.c                |  4 ++--
>  fs/xfs/xfs_extent_busy.c          |  3 ++-
>  fs/xfs/xfs_itable.c               |  8 ++++----
>  fs/xfs/xfs_iwalk.c                |  3 ++-
>  fs/xfs/xfs_log.c                  |  5 +++--
>  fs/xfs/xfs_log_cil.c              |  4 ++--
>  fs/xfs/xfs_log_recover.c          | 10 +++++-----
>  fs/xfs/xfs_mru_cache.c            |  7 ++++---
>  fs/xfs/xfs_qm.c                   |  3 ++-
>  fs/xfs/xfs_refcount_item.c        |  4 ++--
>  fs/xfs/xfs_rmap_item.c            |  3 ++-
>  fs/xfs/xfs_trans_ail.c            |  3 ++-
>  23 files changed, 64 insertions(+), 58 deletions(-)
> 
> diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h
> index b987dc2c6851..bce31182c9e8 100644
> --- a/fs/xfs/kmem.h
> +++ b/fs/xfs/kmem.h
> @@ -62,13 +62,6 @@ static inline void  kmem_free(const void *ptr)
>  	kvfree(ptr);
>  }
>  
> -
> -static inline void *
> -kmem_zalloc(size_t size, xfs_km_flags_t flags)
> -{
> -	return kmem_alloc(size, flags | KM_ZERO);
> -}
> -
>  /*
>   * Zone interfaces
>   */
> diff --git a/fs/xfs/libxfs/xfs_ag.c b/fs/xfs/libxfs/xfs_ag.c
> index 39d9525270b7..96a6bfd58931 100644
> --- a/fs/xfs/libxfs/xfs_ag.c
> +++ b/fs/xfs/libxfs/xfs_ag.c
> @@ -381,7 +381,7 @@ xfs_initialize_perag(
>  			continue;
>  		}
>  
> -		pag = kmem_zalloc(sizeof(*pag), KM_MAYFAIL);
> +		pag = kzalloc(sizeof(*pag), GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  		if (!pag) {
>  			error = -ENOMEM;
>  			goto out_unwind_new_pags;
> diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
> index 6374bf107242..ab4223bf51ee 100644
> --- a/fs/xfs/libxfs/xfs_attr_leaf.c
> +++ b/fs/xfs/libxfs/xfs_attr_leaf.c
> @@ -2250,7 +2250,8 @@ xfs_attr3_leaf_unbalance(
>  		struct xfs_attr_leafblock *tmp_leaf;
>  		struct xfs_attr3_icleaf_hdr tmphdr;
>  
> -		tmp_leaf = kmem_zalloc(state->args->geo->blksize, 0);
> +		tmp_leaf = kzalloc(state->args->geo->blksize,
> +				GFP_KERNEL | __GFP_NOFAIL);
>  
>  		/*
>  		 * Copy the header into the temp leaf so that all the stuff
> diff --git a/fs/xfs/libxfs/xfs_btree_staging.c b/fs/xfs/libxfs/xfs_btree_staging.c
> index e276eba87cb1..eff29425fd76 100644
> --- a/fs/xfs/libxfs/xfs_btree_staging.c
> +++ b/fs/xfs/libxfs/xfs_btree_staging.c
> @@ -406,7 +406,7 @@ xfs_btree_bload_prep_block(
>  
>  		/* Allocate a new incore btree root block. */
>  		new_size = bbl->iroot_size(cur, level, nr_this_block, priv);
> -		ifp->if_broot = kmem_zalloc(new_size, 0);
> +		ifp->if_broot = kzalloc(new_size, GFP_KERNEL);
>  		ifp->if_broot_bytes = (int)new_size;
>  
>  		/* Initialize it and send it out. */
> diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
> index 5457188bb4de..73aae6543906 100644
> --- a/fs/xfs/libxfs/xfs_da_btree.c
> +++ b/fs/xfs/libxfs/xfs_da_btree.c
> @@ -2518,7 +2518,7 @@ xfs_dabuf_map(
>  	int			error = 0, nirecs, i;
>  
>  	if (nfsb > 1)
> -		irecs = kmem_zalloc(sizeof(irec) * nfsb, KM_NOFS);
> +		irecs = kzalloc(sizeof(irec) * nfsb, GFP_NOFS | __GFP_NOFAIL);
>  
>  	nirecs = nfsb;
>  	error = xfs_bmapi_read(dp, bno, nfsb, irecs, &nirecs,
> @@ -2531,7 +2531,8 @@ xfs_dabuf_map(
>  	 * larger one that needs to be free by the caller.
>  	 */
>  	if (nirecs > 1) {
> -		map = kmem_zalloc(nirecs * sizeof(struct xfs_buf_map), KM_NOFS);
> +		map = kzalloc(nirecs * sizeof(struct xfs_buf_map),
> +				GFP_NOFS | __GFP_NOFAIL);
>  		if (!map) {
>  			error = -ENOMEM;
>  			goto out_free_irecs;
> diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c
> index 66a17910d021..07d318b1f807 100644
> --- a/fs/xfs/libxfs/xfs_defer.c
> +++ b/fs/xfs/libxfs/xfs_defer.c
> @@ -979,7 +979,7 @@ xfs_defer_ops_capture(
>  		return ERR_PTR(error);
>  
>  	/* Create an object to capture the defer ops. */
> -	dfc = kmem_zalloc(sizeof(*dfc), KM_NOFS);
> +	dfc = kzalloc(sizeof(*dfc), GFP_NOFS | __GFP_NOFAIL);
>  	INIT_LIST_HEAD(&dfc->dfc_list);
>  	INIT_LIST_HEAD(&dfc->dfc_dfops);
>  
> diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
> index a76673281514..54915a302e96 100644
> --- a/fs/xfs/libxfs/xfs_dir2.c
> +++ b/fs/xfs/libxfs/xfs_dir2.c
> @@ -104,10 +104,10 @@ xfs_da_mount(
>  	ASSERT(mp->m_sb.sb_versionnum & XFS_SB_VERSION_DIRV2BIT);
>  	ASSERT(xfs_dir2_dirblock_bytes(&mp->m_sb) <= XFS_MAX_BLOCKSIZE);
>  
> -	mp->m_dir_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
> -				    KM_MAYFAIL);
> -	mp->m_attr_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
> -				     KM_MAYFAIL);
> +	mp->m_dir_geo = kzalloc(sizeof(struct xfs_da_geometry),
> +				GFP_KERNEL | __GFP_RETRY_MAYFAIL);
> +	mp->m_attr_geo = kzalloc(sizeof(struct xfs_da_geometry),
> +				GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  	if (!mp->m_dir_geo || !mp->m_attr_geo) {
>  		kmem_free(mp->m_dir_geo);
>  		kmem_free(mp->m_attr_geo);
> @@ -236,7 +236,7 @@ xfs_dir_init(
>  	if (error)
>  		return error;
>  
> -	args = kmem_zalloc(sizeof(*args), KM_NOFS);
> +	args = kzalloc(sizeof(*args), GFP_NOFS | __GFP_NOFAIL);
>  	if (!args)
>  		return -ENOMEM;
>  
> @@ -273,7 +273,7 @@ xfs_dir_createname(
>  		XFS_STATS_INC(dp->i_mount, xs_dir_create);
>  	}
>  
> -	args = kmem_zalloc(sizeof(*args), KM_NOFS);
> +	args = kzalloc(sizeof(*args), GFP_NOFS | __GFP_NOFAIL);
>  	if (!args)
>  		return -ENOMEM;
>  
> @@ -372,7 +372,7 @@ xfs_dir_lookup(
>  	 * lockdep Doing this avoids having to add a bunch of lockdep class
>  	 * annotations into the reclaim path for the ilock.
>  	 */
> -	args = kmem_zalloc(sizeof(*args), KM_NOFS);
> +	args = kzalloc(sizeof(*args), GFP_NOFS | __GFP_NOFAIL);
>  	args->geo = dp->i_mount->m_dir_geo;
>  	args->name = name->name;
>  	args->namelen = name->len;
> @@ -441,7 +441,7 @@ xfs_dir_removename(
>  	ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
>  	XFS_STATS_INC(dp->i_mount, xs_dir_remove);
>  
> -	args = kmem_zalloc(sizeof(*args), KM_NOFS);
> +	args = kzalloc(sizeof(*args), GFP_NOFS | __GFP_NOFAIL);
>  	if (!args)
>  		return -ENOMEM;
>  
> @@ -502,7 +502,7 @@ xfs_dir_replace(
>  	if (rval)
>  		return rval;
>  
> -	args = kmem_zalloc(sizeof(*args), KM_NOFS);
> +	args = kzalloc(sizeof(*args), GFP_NOFS | __GFP_NOFAIL);
>  	if (!args)
>  		return -ENOMEM;
>  
> diff --git a/fs/xfs/libxfs/xfs_iext_tree.c b/fs/xfs/libxfs/xfs_iext_tree.c
> index f4e6b200cdf8..4522f3c7a23f 100644
> --- a/fs/xfs/libxfs/xfs_iext_tree.c
> +++ b/fs/xfs/libxfs/xfs_iext_tree.c
> @@ -398,7 +398,8 @@ static void
>  xfs_iext_grow(
>  	struct xfs_ifork	*ifp)
>  {
> -	struct xfs_iext_node	*node = kmem_zalloc(NODE_SIZE, KM_NOFS);
> +	struct xfs_iext_node	*node = kzalloc(NODE_SIZE,
> +						GFP_NOFS | __GFP_NOFAIL);
>  	int			i;
>  
>  	if (ifp->if_height == 1) {
> @@ -454,7 +455,8 @@ xfs_iext_split_node(
>  	int			*nr_entries)
>  {
>  	struct xfs_iext_node	*node = *nodep;
> -	struct xfs_iext_node	*new = kmem_zalloc(NODE_SIZE, KM_NOFS);
> +	struct xfs_iext_node	*new = kzalloc(NODE_SIZE,
> +						GFP_NOFS | __GFP_NOFAIL);
>  	const int		nr_move = KEYS_PER_NODE / 2;
>  	int			nr_keep = nr_move + (KEYS_PER_NODE & 1);
>  	int			i = 0;
> @@ -542,7 +544,8 @@ xfs_iext_split_leaf(
>  	int			*nr_entries)
>  {
>  	struct xfs_iext_leaf	*leaf = cur->leaf;
> -	struct xfs_iext_leaf	*new = kmem_zalloc(NODE_SIZE, KM_NOFS);
> +	struct xfs_iext_leaf	*new = kzalloc(NODE_SIZE,
> +						GFP_NOFS | __GFP_NOFAIL);
>  	const int		nr_move = RECS_PER_LEAF / 2;
>  	int			nr_keep = nr_move + (RECS_PER_LEAF & 1);
>  	int			i;
> @@ -583,7 +586,8 @@ xfs_iext_alloc_root(
>  {
>  	ASSERT(ifp->if_bytes == 0);
>  
> -	ifp->if_data = kmem_zalloc(sizeof(struct xfs_iext_rec), KM_NOFS);
> +	ifp->if_data = kzalloc(sizeof(struct xfs_iext_rec),
> +					GFP_NOFS | __GFP_NOFAIL);
>  	ifp->if_height = 1;
>  
>  	/* now that we have a node step into it */
> diff --git a/fs/xfs/xfs_attr_item.c b/fs/xfs/xfs_attr_item.c
> index 9e02111bd890..2e454a0d6f19 100644
> --- a/fs/xfs/xfs_attr_item.c
> +++ b/fs/xfs/xfs_attr_item.c
> @@ -512,8 +512,8 @@ xfs_attri_recover_work(
>  	if (error)
>  		return ERR_PTR(error);
>  
> -	attr = kmem_zalloc(sizeof(struct xfs_attr_intent) +
> -			   sizeof(struct xfs_da_args), KM_NOFS);
> +	attr = kzalloc(sizeof(struct xfs_attr_intent) +
> +			sizeof(struct xfs_da_args), GFP_NOFS | __GFP_NOFAIL);
>  	args = (struct xfs_da_args *)(attr + 1);
>  
>  	attr->xattri_da_args = args;
> diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
> index ec4bd7a24d88..710ea4c97122 100644
> --- a/fs/xfs/xfs_buf.c
> +++ b/fs/xfs/xfs_buf.c
> @@ -189,8 +189,8 @@ xfs_buf_get_maps(
>  		return 0;
>  	}
>  
> -	bp->b_maps = kmem_zalloc(map_count * sizeof(struct xfs_buf_map),
> -				KM_NOFS);
> +	bp->b_maps = kzalloc(map_count * sizeof(struct xfs_buf_map),
> +				GFP_NOFS | __GFP_NOFAIL);
>  	if (!bp->b_maps)
>  		return -ENOMEM;
>  	return 0;
> @@ -2002,7 +2002,7 @@ xfs_alloc_buftarg(
>  #if defined(CONFIG_FS_DAX) && defined(CONFIG_MEMORY_FAILURE)
>  	ops = &xfs_dax_holder_operations;
>  #endif
> -	btp = kmem_zalloc(sizeof(*btp), KM_NOFS);
> +	btp = kzalloc(sizeof(*btp), GFP_NOFS | __GFP_NOFAIL);
>  
>  	btp->bt_mount = mp;
>  	btp->bt_bdev_handle = bdev_handle;
> diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
> index 023d4e0385dd..ec93d34188c8 100644
> --- a/fs/xfs/xfs_buf_item.c
> +++ b/fs/xfs/xfs_buf_item.c
> @@ -805,8 +805,8 @@ xfs_buf_item_get_format(
>  		return;
>  	}
>  
> -	bip->bli_formats = kmem_zalloc(count * sizeof(struct xfs_buf_log_format),
> -				0);
> +	bip->bli_formats = kzalloc(count * sizeof(struct xfs_buf_log_format),
> +				GFP_KERNEL | __GFP_NOFAIL);
>  }
>  
>  STATIC void
> diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
> index b2cbbba3e15a..456520d60cd0 100644
> --- a/fs/xfs/xfs_error.c
> +++ b/fs/xfs/xfs_error.c
> @@ -240,8 +240,8 @@ xfs_errortag_init(
>  {
>  	int ret;
>  
> -	mp->m_errortag = kmem_zalloc(sizeof(unsigned int) * XFS_ERRTAG_MAX,
> -			KM_MAYFAIL);
> +	mp->m_errortag = kzalloc(sizeof(unsigned int) * XFS_ERRTAG_MAX,
> +				GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  	if (!mp->m_errortag)
>  		return -ENOMEM;
>  
> diff --git a/fs/xfs/xfs_extent_busy.c b/fs/xfs/xfs_extent_busy.c
> index 2ccde32c9a9e..b90c3dd43e03 100644
> --- a/fs/xfs/xfs_extent_busy.c
> +++ b/fs/xfs/xfs_extent_busy.c
> @@ -32,7 +32,8 @@ xfs_extent_busy_insert_list(
>  	struct rb_node		**rbp;
>  	struct rb_node		*parent = NULL;
>  
> -	new = kmem_zalloc(sizeof(struct xfs_extent_busy), 0);
> +	new = kzalloc(sizeof(struct xfs_extent_busy),
> +			GFP_KERNEL | __GFP_NOFAIL);
>  	new->agno = pag->pag_agno;
>  	new->bno = bno;
>  	new->length = len;
> diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
> index 14462614fcc8..14211174267a 100644
> --- a/fs/xfs/xfs_itable.c
> +++ b/fs/xfs/xfs_itable.c
> @@ -197,8 +197,8 @@ xfs_bulkstat_one(
>  
>  	ASSERT(breq->icount == 1);
>  
> -	bc.buf = kmem_zalloc(sizeof(struct xfs_bulkstat),
> -			KM_MAYFAIL);
> +	bc.buf = kzalloc(sizeof(struct xfs_bulkstat),
> +			GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  	if (!bc.buf)
>  		return -ENOMEM;
>  
> @@ -289,8 +289,8 @@ xfs_bulkstat(
>  	if (xfs_bulkstat_already_done(breq->mp, breq->startino))
>  		return 0;
>  
> -	bc.buf = kmem_zalloc(sizeof(struct xfs_bulkstat),
> -			KM_MAYFAIL);
> +	bc.buf = kzalloc(sizeof(struct xfs_bulkstat),
> +			GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  	if (!bc.buf)
>  		return -ENOMEM;
>  
> diff --git a/fs/xfs/xfs_iwalk.c b/fs/xfs/xfs_iwalk.c
> index b3275e8d47b6..8dbb7c054b28 100644
> --- a/fs/xfs/xfs_iwalk.c
> +++ b/fs/xfs/xfs_iwalk.c
> @@ -663,7 +663,8 @@ xfs_iwalk_threaded(
>  		if (xfs_pwork_ctl_want_abort(&pctl))
>  			break;
>  
> -		iwag = kmem_zalloc(sizeof(struct xfs_iwalk_ag), 0);
> +		iwag = kzalloc(sizeof(struct xfs_iwalk_ag),
> +				GFP_KERNEL | __GFP_NOFAIL);
>  		iwag->mp = mp;
>  
>  		/*
> diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
> index a1650fc81382..d38cfaadc726 100644
> --- a/fs/xfs/xfs_log.c
> +++ b/fs/xfs/xfs_log.c
> @@ -1528,7 +1528,7 @@ xlog_alloc_log(
>  	int			error = -ENOMEM;
>  	uint			log2_size = 0;
>  
> -	log = kmem_zalloc(sizeof(struct xlog), KM_MAYFAIL);
> +	log = kzalloc(sizeof(struct xlog), GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  	if (!log) {
>  		xfs_warn(mp, "Log allocation failed: No memory!");
>  		goto out;
> @@ -1605,7 +1605,8 @@ xlog_alloc_log(
>  		size_t bvec_size = howmany(log->l_iclog_size, PAGE_SIZE) *
>  				sizeof(struct bio_vec);
>  
> -		iclog = kmem_zalloc(sizeof(*iclog) + bvec_size, KM_MAYFAIL);
> +		iclog = kzalloc(sizeof(*iclog) + bvec_size,
> +				GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  		if (!iclog)
>  			goto out_free_iclog;
>  
> diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
> index 67a99d94701e..3c705f22b0ab 100644
> --- a/fs/xfs/xfs_log_cil.c
> +++ b/fs/xfs/xfs_log_cil.c
> @@ -100,7 +100,7 @@ xlog_cil_ctx_alloc(void)
>  {
>  	struct xfs_cil_ctx	*ctx;
>  
> -	ctx = kmem_zalloc(sizeof(*ctx), KM_NOFS);
> +	ctx = kzalloc(sizeof(*ctx), GFP_NOFS | __GFP_NOFAIL);
>  	INIT_LIST_HEAD(&ctx->committing);
>  	INIT_LIST_HEAD(&ctx->busy_extents.extent_list);
>  	INIT_LIST_HEAD(&ctx->log_items);
> @@ -1747,7 +1747,7 @@ xlog_cil_init(
>  	struct xlog_cil_pcp	*cilpcp;
>  	int			cpu;
>  
> -	cil = kmem_zalloc(sizeof(*cil), KM_MAYFAIL);
> +	cil = kzalloc(sizeof(*cil), GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  	if (!cil)
>  		return -ENOMEM;
>  	/*
> diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
> index 1251c81e55f9..4a27ecdbb546 100644
> --- a/fs/xfs/xfs_log_recover.c
> +++ b/fs/xfs/xfs_log_recover.c
> @@ -2057,7 +2057,8 @@ xlog_recover_add_item(
>  {
>  	struct xlog_recover_item *item;
>  
> -	item = kmem_zalloc(sizeof(struct xlog_recover_item), 0);
> +	item = kzalloc(sizeof(struct xlog_recover_item),
> +			GFP_KERNEL | __GFP_NOFAIL);
>  	INIT_LIST_HEAD(&item->ri_list);
>  	list_add_tail(&item->ri_list, head);
>  }
> @@ -2187,9 +2188,8 @@ xlog_recover_add_to_trans(
>  		}
>  
>  		item->ri_total = in_f->ilf_size;
> -		item->ri_buf =
> -			kmem_zalloc(item->ri_total * sizeof(xfs_log_iovec_t),
> -				    0);
> +		item->ri_buf = kzalloc(item->ri_total * sizeof(xfs_log_iovec_t),
> +				GFP_KERNEL | __GFP_NOFAIL);
>  	}
>  
>  	if (item->ri_total <= item->ri_cnt) {
> @@ -2332,7 +2332,7 @@ xlog_recover_ophdr_to_trans(
>  	 * This is a new transaction so allocate a new recovery container to
>  	 * hold the recovery ops that will follow.
>  	 */
> -	trans = kmem_zalloc(sizeof(struct xlog_recover), 0);
> +	trans = kzalloc(sizeof(struct xlog_recover), GFP_KERNEL | __GFP_NOFAIL);
>  	trans->r_log_tid = tid;
>  	trans->r_lsn = be64_to_cpu(rhead->h_lsn);
>  	INIT_LIST_HEAD(&trans->r_itemq);
> diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c
> index f85e3b07ab44..feae3115617b 100644
> --- a/fs/xfs/xfs_mru_cache.c
> +++ b/fs/xfs/xfs_mru_cache.c
> @@ -333,13 +333,14 @@ xfs_mru_cache_create(
>  	if (!(grp_time = msecs_to_jiffies(lifetime_ms) / grp_count))
>  		return -EINVAL;
>  
> -	if (!(mru = kmem_zalloc(sizeof(*mru), 0)))
> +	mru = kzalloc(sizeof(*mru), GFP_KERNEL | __GFP_NOFAIL);
> +	if (!mru)
>  		return -ENOMEM;
>  
>  	/* An extra list is needed to avoid reaping up to a grp_time early. */
>  	mru->grp_count = grp_count + 1;
> -	mru->lists = kmem_zalloc(mru->grp_count * sizeof(*mru->lists), 0);
> -
> +	mru->lists = kzalloc(mru->grp_count * sizeof(*mru->lists),
> +				GFP_KERNEL | __GFP_NOFAIL);
>  	if (!mru->lists) {
>  		err = -ENOMEM;
>  		goto exit;
> diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
> index 94a7932ac570..b9d11376c88a 100644
> --- a/fs/xfs/xfs_qm.c
> +++ b/fs/xfs/xfs_qm.c
> @@ -628,7 +628,8 @@ xfs_qm_init_quotainfo(
>  
>  	ASSERT(XFS_IS_QUOTA_ON(mp));
>  
> -	qinf = mp->m_quotainfo = kmem_zalloc(sizeof(struct xfs_quotainfo), 0);
> +	qinf = mp->m_quotainfo = kzalloc(sizeof(struct xfs_quotainfo),
> +					GFP_KERNEL | __GFP_NOFAIL);
>  
>  	error = list_lru_init(&qinf->qi_lru);
>  	if (error)
> diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
> index 20ad8086da60..78d0cda60abf 100644
> --- a/fs/xfs/xfs_refcount_item.c
> +++ b/fs/xfs/xfs_refcount_item.c
> @@ -143,8 +143,8 @@ xfs_cui_init(
>  
>  	ASSERT(nextents > 0);
>  	if (nextents > XFS_CUI_MAX_FAST_EXTENTS)
> -		cuip = kmem_zalloc(xfs_cui_log_item_sizeof(nextents),
> -				0);
> +		cuip = kzalloc(xfs_cui_log_item_sizeof(nextents),
> +				GFP_KERNEL | __GFP_NOFAIL);
>  	else
>  		cuip = kmem_cache_zalloc(xfs_cui_cache,
>  					 GFP_KERNEL | __GFP_NOFAIL);
> diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
> index 79ad0087aeca..31a921fc34b2 100644
> --- a/fs/xfs/xfs_rmap_item.c
> +++ b/fs/xfs/xfs_rmap_item.c
> @@ -142,7 +142,8 @@ xfs_rui_init(
>  
>  	ASSERT(nextents > 0);
>  	if (nextents > XFS_RUI_MAX_FAST_EXTENTS)
> -		ruip = kmem_zalloc(xfs_rui_log_item_sizeof(nextents), 0);
> +		ruip = kzalloc(xfs_rui_log_item_sizeof(nextents),
> +				GFP_KERNEL | __GFP_NOFAIL);
>  	else
>  		ruip = kmem_cache_zalloc(xfs_rui_cache,
>  					 GFP_KERNEL | __GFP_NOFAIL);
> diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
> index 1098452e7f95..5f206cdb40ff 100644
> --- a/fs/xfs/xfs_trans_ail.c
> +++ b/fs/xfs/xfs_trans_ail.c
> @@ -901,7 +901,8 @@ xfs_trans_ail_init(
>  {
>  	struct xfs_ail	*ailp;
>  
> -	ailp = kmem_zalloc(sizeof(struct xfs_ail), KM_MAYFAIL);
> +	ailp = kzalloc(sizeof(struct xfs_ail),
> +			GFP_KERNEL | __GFP_RETRY_MAYFAIL);
>  	if (!ailp)
>  		return -ENOMEM;
>  
> -- 
> 2.43.0
> 
> 




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