diff options
| author | Senthil Balasubramanian <senthilkumar@atheros.com> | 2009-03-06 11:24:08 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-03-16 18:09:30 -0400 |
| commit | f0e6ce13c17afd74a49e0ef043d72581562f73ae (patch) | |
| tree | 51882c6e4718a898b7592d4cc7e4c13679ae2f3b /drivers/net/wireless/ath9k | |
| parent | ec329acef99ded8dad59e1ef8a5a02b823083353 (diff) | |
| download | linux-3.10-f0e6ce13c17afd74a49e0ef043d72581562f73ae.tar.gz linux-3.10-f0e6ce13c17afd74a49e0ef043d72581562f73ae.tar.bz2 linux-3.10-f0e6ce13c17afd74a49e0ef043d72581562f73ae.zip | |
ath9k: Get rid of unnecessary ATOMIC memory alloc during init time
We can sleep for memory during init time and so allocating rx buffers,
descriptro buffers with GFP_KERNEL should help us to get rid of transient
alloc fails.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath9k/main.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/recv.c | 8 |
2 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index bb30ccca184..4bc43db9ab2 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -1804,7 +1804,7 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, /* allocate descriptors */ dd->dd_desc = dma_alloc_coherent(sc->dev, dd->dd_desc_len, - &dd->dd_desc_paddr, GFP_ATOMIC); + &dd->dd_desc_paddr, GFP_KERNEL); if (dd->dd_desc == NULL) { error = -ENOMEM; goto fail; @@ -1816,12 +1816,11 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, /* allocate buffers */ bsize = sizeof(struct ath_buf) * nbuf; - bf = kmalloc(bsize, GFP_KERNEL); + bf = kzalloc(bsize, GFP_KERNEL); if (bf == NULL) { error = -ENOMEM; goto fail2; } - memset(bf, 0, bsize); dd->dd_bufptr = bf; INIT_LIST_HEAD(head); diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c index 3df5c782436..9439cb35111 100644 --- a/drivers/net/wireless/ath9k/recv.c +++ b/drivers/net/wireless/ath9k/recv.c @@ -100,7 +100,7 @@ static u64 ath_extend_tsf(struct ath_softc *sc, u32 rstamp) return (tsf & ~0x7fff) | rstamp; } -static struct sk_buff *ath_rxbuf_alloc(struct ath_softc *sc, u32 len) +static struct sk_buff *ath_rxbuf_alloc(struct ath_softc *sc, u32 len, gfp_t gfp_mask) { struct sk_buff *skb; u32 off; @@ -118,7 +118,7 @@ static struct sk_buff *ath_rxbuf_alloc(struct ath_softc *sc, u32 len) * Unfortunately this means we may get 8 KB here from the * kernel... and that is actually what is observed on some * systems :( */ - skb = dev_alloc_skb(len + sc->cachelsz - 1); + skb = __dev_alloc_skb(len + sc->cachelsz - 1, gfp_mask); if (skb != NULL) { off = ((unsigned long) skb->data) % sc->cachelsz; if (off != 0) @@ -306,7 +306,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs) } list_for_each_entry(bf, &sc->rx.rxbuf, list) { - skb = ath_rxbuf_alloc(sc, sc->rx.bufsize); + skb = ath_rxbuf_alloc(sc, sc->rx.bufsize, GFP_KERNEL); if (skb == NULL) { error = -ENOMEM; break; @@ -580,7 +580,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush) /* Ensure we always have an skb to requeue once we are done * processing the current buffer's skb */ - requeue_skb = ath_rxbuf_alloc(sc, sc->rx.bufsize); + requeue_skb = ath_rxbuf_alloc(sc, sc->rx.bufsize, GFP_ATOMIC); /* If there is no memory we ignore the current RX'd frame, * tell hardware it can give us a new frame using the old |