The patch titled
Subject: mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6
has been added to the -mm tree. Its filename is
mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Subject: mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6
sync ethernet driver changes with -mm's
mm-rename-_count-field-of-the-struct-page-to-_refcount.patch
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Manish Chopra <manish.chopra@xxxxxxxxxx>
Cc: Yuval Mintz <yuval.mintz@xxxxxxxxxx>
Cc: Tariq Toukan <tariqt@xxxxxxxxxxxx>
Cc: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 20 +++++++-------
drivers/net/ethernet/qlogic/qede/qede_main.c | 4 +-
2 files changed, 12 insertions(+), 12 deletions(-)
diff -puN drivers/net/ethernet/mellanox/mlx5/core/en_rx.c~mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6 drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c~mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6
+++ a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -293,8 +293,8 @@ static int mlx5e_alloc_rx_fragmented_mpw
for (i = 0; i < MLX5_MPWRQ_PAGES_PER_WQE; i++) {
if (unlikely(mlx5e_alloc_and_map_page(rq, wi, i)))
goto err_unmap;
- atomic_add(MLX5_MPWRQ_STRIDES_PER_PAGE,
- &wi->umr.dma_info[i].page->_count);
+ page_ref_add(wi->umr.dma_info[i].page,
+ MLX5_MPWRQ_STRIDES_PER_PAGE);
wi->skbs_frags[i] = 0;
}
@@ -312,8 +312,8 @@ err_unmap:
while (--i >= 0) {
dma_unmap_page(rq->pdev, wi->umr.dma_info[i].addr, PAGE_SIZE,
PCI_DMA_FROMDEVICE);
- atomic_sub(MLX5_MPWRQ_STRIDES_PER_PAGE,
- &wi->umr.dma_info[i].page->_count);
+ page_ref_sub(wi->umr.dma_info[i].page,
+ MLX5_MPWRQ_STRIDES_PER_PAGE);
put_page(wi->umr.dma_info[i].page);
}
dma_unmap_single(rq->pdev, wi->umr.mtt_addr, mtt_sz, PCI_DMA_TODEVICE);
@@ -337,8 +337,8 @@ void mlx5e_free_rx_fragmented_mpwqe(stru
for (i = 0; i < MLX5_MPWRQ_PAGES_PER_WQE; i++) {
dma_unmap_page(rq->pdev, wi->umr.dma_info[i].addr, PAGE_SIZE,
PCI_DMA_FROMDEVICE);
- atomic_sub(MLX5_MPWRQ_STRIDES_PER_PAGE - wi->skbs_frags[i],
- &wi->umr.dma_info[i].page->_count);
+ page_ref_sub(wi->umr.dma_info[i].page,
+ MLX5_MPWRQ_STRIDES_PER_PAGE - wi->skbs_frags[i]);
put_page(wi->umr.dma_info[i].page);
}
dma_unmap_single(rq->pdev, wi->umr.mtt_addr, mtt_sz, PCI_DMA_TODEVICE);
@@ -387,8 +387,8 @@ static int mlx5e_alloc_rx_linear_mpwqe(s
*/
split_page(wi->dma_info.page, MLX5_MPWRQ_WQE_PAGE_ORDER);
for (i = 0; i < MLX5_MPWRQ_PAGES_PER_WQE; i++) {
- atomic_add(MLX5_MPWRQ_STRIDES_PER_PAGE,
- &wi->dma_info.page[i]._count);
+ page_ref_add(&wi->dma_info.page[i],
+ MLX5_MPWRQ_STRIDES_PER_PAGE);
wi->skbs_frags[i] = 0;
}
@@ -411,8 +411,8 @@ void mlx5e_free_rx_linear_mpwqe(struct m
dma_unmap_page(rq->pdev, wi->dma_info.addr, rq->wqe_sz,
PCI_DMA_FROMDEVICE);
for (i = 0; i < MLX5_MPWRQ_PAGES_PER_WQE; i++) {
- atomic_sub(MLX5_MPWRQ_STRIDES_PER_PAGE - wi->skbs_frags[i],
- &wi->dma_info.page[i]._count);
+ page_ref_sub(&wi->dma_info.page[i],
+ MLX5_MPWRQ_STRIDES_PER_PAGE - wi->skbs_frags[i]);
put_page(&wi->dma_info.page[i]);
}
}
diff -puN drivers/net/ethernet/qlogic/qede/qede_main.c~mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6 drivers/net/ethernet/qlogic/qede/qede_main.c
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c~mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6
+++ a/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -958,7 +958,7 @@ static int qede_fill_frag_skb(struct qed
/* Incr page ref count to reuse on allocation failure
* so that it doesn't get freed while freeing SKB.
*/
- atomic_inc(¤t_bd->data->_count);
+ page_ref_inc(current_bd->data);
goto out;
}
@@ -1409,7 +1409,7 @@ static int qede_rx_int(struct qede_fastp
* freeing SKB.
*/
- atomic_inc(&sw_rx_data->data->_count);
+ page_ref_inc(sw_rx_data->data);
rxq->rx_alloc_errors++;
qede_recycle_rx_bd_ring(rxq, edev,
fp_cqe->bd_num);
_
Patches currently in -mm which might be from sfr@xxxxxxxxxxxxxxxx are
mm-rename-_count-field-of-the-struct-page-to-_refcount-fix6.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
