This patch fixes a build error caused by undeclared PAGE_SIZE when
compiling for non-X86 arches. On some arches, PAGE_SIZE is not fixed
so that header files do not define it.  A better way to get it is
via sysconf(3) or getpagesize(2).

Fixes: 540a211084a7 ("bnx2x: driver core")

== Build drivers/net/bnx2x
  CC bnx2x.o
/u/zlu.bjg/git/dpdk.org/drivers/net/bnx2x/bnx2x.c: In function 
?bnx2x_set_fp_rx_buf_size?:
/u/zlu.bjg/git/dpdk.org/drivers/net/bnx2x/bnx2x.c:2331: error: ?PAGE_SIZE? 
undeclared (first use in this function)
/u/zlu.bjg/git/dpdk.org/drivers/net/bnx2x/bnx2x.c:2331: error: (Each undeclared 
identifier is reported only once
/u/zlu.bjg/git/dpdk.org/drivers/net/bnx2x/bnx2x.c:2331: error: for each 
function it appears in.)
/u/zlu.bjg/git/dpdk.org/drivers/net/bnx2x/bnx2x.c: In function ?ecore_gunzip?:
/u/zlu.bjg/git/dpdk.org/drivers/net/bnx2x/bnx2x.c:11579: warning: assignment 
discards qualifiers from pointer target type

Signed-off-by: Zhigang Lu <zlu at ezchip.com>
---
 drivers/net/bnx2x/bnx2x.h        | 2 ++
 drivers/net/bnx2x/bnx2x_ethdev.h | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index b1e36e5..84b4a29 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -144,6 +144,8 @@ struct bnx2x_device_type {
 #define RTE_MBUF_DATA_DMA_ADDR(mb) \
        ((uint64_t)((mb)->buf_physaddr + (mb)->data_off))

+#define PAGE_SIZE (sysconf(_SC_PAGESIZE))
+
 #define BNX2X_PAGE_SHIFT       12
 #define BNX2X_PAGE_SIZE        (1 << BNX2X_PAGE_SHIFT)
 #define BNX2X_PAGE_MASK        (~(BNX2X_PAGE_SIZE - 1))
diff --git a/drivers/net/bnx2x/bnx2x_ethdev.h b/drivers/net/bnx2x/bnx2x_ethdev.h
index 569bfdf..4f96ef7 100644
--- a/drivers/net/bnx2x/bnx2x_ethdev.h
+++ b/drivers/net/bnx2x/bnx2x_ethdev.h
@@ -9,7 +9,6 @@

 #include <sys/queue.h>
 #include <sys/param.h>
-#include <sys/user.h>
 #include <sys/stat.h>

 #include <stdio.h>
-- 
2.1.2

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