[PATCH v2 6/6] net: thunderx: Alloc higher order pages when pagesize is small
From: <hidden>
Date: 2016-02-11 16:18:24
Also in:
linux-arm-kernel, lkml
Subsystem:
arm/cavium thunder network driver, networking drivers, the rest · Maintainers:
Sunil Goutham, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Sunil Goutham <redacted> Allocate higher order pages when pagesize is small, this will reduce number of calls to page allocator and wastage of memory. Signed-off-by: Sunil Goutham <redacted> --- drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index 50ab6f4..5adb208 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c@@ -78,7 +78,7 @@ static void nicvf_free_q_desc_mem(struct nicvf *nic, struct q_desc_mem *dmem) static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, gfp_t gfp, u32 buf_len, u64 **rbuf) { - int order = get_order(buf_len); + int order = (PAGE_SIZE <= 4096) ? PAGE_ALLOC_COSTLY_ORDER : 0; /* Check if request can be accomodated in previous allocated page */ if (nic->rb_page) {
--
1.7.1