From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Mon, 5 Mar 2018 09:17:44 +0000 (+0100)
Subject: bpf: remove page size caching
X-Git-Tag: v4.22~103
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9ffdd1dfb6dd6f5f98c74693793dead84755de3c;p=strace

bpf: remove page size caching

get_pagesize() has a static cache anyway, no need to duplicate it.

* bpf.c (SYS_FUNC(bpf)): Remove static size_t page_size and its
initialisation, use get_pagesize() as the size of buf directly.
---

diff --git a/bpf.c b/bpf.c
index 0e07444a..e363a71f 100644
--- a/bpf.c
+++ b/bpf.c
@@ -409,13 +409,10 @@ SYS_FUNC(bpf)
 	int rc;
 
 	if (entering(tcp)) {
-		static size_t page_size;
 		static char *buf;
 
-		if (!buf) {
-			page_size = get_pagesize();
-			buf = xmalloc(page_size);
-		}
+		if (!buf)
+			buf = xmalloc(get_pagesize());
 
 		printxval(bpf_commands, cmd, "BPF_???");
 		tprints(", ");