[Patch v2] checkpatch: sugguest to use qemu_real_host_page_size instead of getpagesize() or sysconf(_SC_PAGESIZE)

[Wei Yang]

Signed-off-by: Wei Yang <richardw.y...@linux.intel.com>
CC: Richard Henderson <richard.hender...@linaro.org>
CC: Stefan Hajnoczi <stefa...@redhat.com>

---
v2: add "\b" for better match, suggested by Richard Henderson 
<richard.hender...@linaro.org>
---
 scripts/checkpatch.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index aa9a354a0e..ab68a16fd2 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2915,6 +2915,12 @@ sub process {
                if ($line =~ /\bbzero\(/) {
                        ERROR("use memset() instead of bzero()\n" . $herecurr);
                }
+               if ($line =~ /\bgetpagesize\(\)/) {
+                       ERROR("use qemu_real_host_page_size instead of 
getpagesize()\n" . $herecurr);
+               }
+               if ($line =~ /\bsysconf\(_SC_PAGESIZE\)/) {
+                       ERROR("use qemu_real_host_page_size instead of 
sysconf(_SC_PAGESIZE)\n" . $herecurr);
+               }
                my $non_exit_glib_asserts = qr{g_assert_cmpstr|
                                                g_assert_cmpint|
                                                g_assert_cmpuint|
-- 
2.17.1