Author: kib
Date: Fri May 15 13:53:10 2020
New Revision: 361079
URL: https://svnweb.freebsd.org/changeset/base/361079
Log:
Improve comment for compat32 handling of sysctl hw.pagesizes.
Explain why truncation works as intended.
Reformat.
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Modified:
head/sys/kern/kern_mib.c
Modified: head/sys/kern/kern_mib.c
==============================================================================
--- head/sys/kern/kern_mib.c Fri May 15 13:52:39 2020 (r361078)
+++ head/sys/kern/kern_mib.c Fri May 15 13:53:10 2020 (r361079)
@@ -238,8 +238,9 @@ sysctl_hw_pagesizes(SYSCTL_HANDLER_ARGS)
if (req->flags & SCTL_MASK32) {
/*
- * Recreate the "pagesizes" array with 32-bit elements.
Truncate
- * any page size greater than UINT32_MAX to zero.
+ * Recreate the "pagesizes" array with 32-bit elements.
+ * Truncate any page size greater than UINT32_MAX to zero,
+ * which assumes that page sizes are powers of two.
*/
for (i = 0; i < MAXPAGESIZES; i++)
pagesizes32[i] = (uint32_t)pagesizes[i];
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
