Author: markj
Date: Sat Jul 16 02:53:52 2016
New Revision: 302924
URL: https://svnweb.freebsd.org/changeset/base/302924
Log:
MFC r301090:
mkimg: Indicate that input file pages are unlikely to be reused.
Modified:
stable/10/usr.bin/mkimg/image.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/usr.bin/mkimg/image.c
==============================================================================
--- stable/10/usr.bin/mkimg/image.c Sat Jul 16 02:49:02 2016
(r302923)
+++ stable/10/usr.bin/mkimg/image.c Sat Jul 16 02:53:52 2016
(r302924)
@@ -32,6 +32,7 @@ __FBSDID("$FreeBSD$");
#include <sys/stat.h>
#include <sys/types.h>
#include <assert.h>
+#include <err.h>
#include <errno.h>
#include <limits.h>
#include <paths.h>
@@ -315,6 +316,8 @@ image_file_unmap(void *buffer, size_t sz
unit = (secsz > image_swap_pgsz) ? secsz : image_swap_pgsz;
sz = (sz + unit - 1) & ~(unit - 1);
+ if (madvise(buffer, sz, MADV_DONTNEED) != 0)
+ warn("madvise");
munmap(buffer, sz);
return (0);
}
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