[PATCH 2/2] core: replace sysconf(_SC_PAGESIZE) with qemu_real_host_page_size

[Wei Yang]

Signed-off-by: Wei Yang <address@hidden>
Suggested-by: "Dr. David Alan Gilbert" <address@hidden>
CC: Richard Henderson <address@hidden>
---
 block/file-posix.c              | 2 +-
 net/l2tpv3.c                    | 2 +-
 tests/tcg/multiarch/test-mmap.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/block/file-posix.c b/block/file-posix.c
index 5d1995a07c..853ed42134 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2562,7 +2562,7 @@ static void check_cache_dropped(BlockDriverState *bs, 
Error **errp)
     off_t end;
 
     /* mincore(2) page status information requires 1 byte per page */
-    page_size = sysconf(_SC_PAGESIZE);
+    page_size = qemu_real_host_page_size;
     vec = g_malloc(DIV_ROUND_UP(window_size, page_size));
 
     end = raw_getlength(bs);
diff --git a/net/l2tpv3.c b/net/l2tpv3.c
index 55fea17c0f..5f843240de 100644
--- a/net/l2tpv3.c
+++ b/net/l2tpv3.c
@@ -41,7 +41,7 @@
  * chosen to be sufficient to accommodate one packet with some headers
  */
 
-#define BUFFER_ALIGN sysconf(_SC_PAGESIZE)
+#define BUFFER_ALIGN qemu_real_host_page_size
 #define BUFFER_SIZE 2048
 #define IOVSIZE 2
 #define MAX_L2TPV3_MSGCNT 64
diff --git a/tests/tcg/multiarch/test-mmap.c b/tests/tcg/multiarch/test-mmap.c
index 9ea49e2307..370842e5c2 100644
--- a/tests/tcg/multiarch/test-mmap.c
+++ b/tests/tcg/multiarch/test-mmap.c
@@ -466,7 +466,7 @@ int main(int argc, char **argv)
     if (argc > 1) {
         qemu_strtoul(argv[1], NULL, 0, &pagesize);
     } else {
-        pagesize = sysconf(_SC_PAGESIZE);
+        pagesize = qemu_real_host_page_size;
     }
 
     /* Assume pagesize is a power of two.  */
-- 
2.17.1