From: Vincent Fu <vincent.fu@samsung.com>
Date: Wed, 12 Jun 2024 17:06:09 +0000 (-0400)
Subject: smalloc: add a comment explaining why scalloc does not zero memory
X-Git-Tag: fio-3.38~51
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=bd7492a47a5bb0ec66a05ae0cff0c9065afb0f88;p=fio.git

smalloc: add a comment explaining why scalloc does not zero memory

scalloc does not zero out the buffer because this is already done
elsewhere. Explain this in a comment because this could be confusing.

Signed-off-by: Vincent Fu <vincent.fu@samsung.com>
---

diff --git a/smalloc.c b/smalloc.c
index 23243054..ac7ef701 100644
--- a/smalloc.c
+++ b/smalloc.c
@@ -566,6 +566,10 @@ void *smalloc(size_t size)
 
 void *scalloc(size_t nmemb, size_t size)
 {
+	/*
+	 * smalloc_pool (called by smalloc) will zero the memory, so we don't
+	 * need to do it here.
+	 */
 	return smalloc(nmemb * size);
 }