From: Blue Swirl <blauwirbel@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6056] Fix mremap, based on patch by Kirill A.
Date: Mon, 15 Dec 2008 17:58:49 +0000 [thread overview]
Message-ID: <E1LCHiT-0004CF-Lp@cvs.savannah.gnu.org> (raw)
Revision: 6056
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6056
Author: blueswir1
Date: 2008-12-15 17:58:49 +0000 (Mon, 15 Dec 2008)
Log Message:
-----------
Fix mremap, based on patch by Kirill A. Shutemov
Modified Paths:
--------------
trunk/linux-user/mmap.c
Modified: trunk/linux-user/mmap.c
===================================================================
--- trunk/linux-user/mmap.c 2008-12-15 17:14:58 UTC (rev 6055)
+++ trunk/linux-user/mmap.c 2008-12-15 17:58:49 UTC (rev 6056)
@@ -24,6 +24,8 @@
#include <unistd.h>
#include <errno.h>
#include <sys/mman.h>
+#include <linux/mman.h>
+#include <linux/unistd.h>
#include "qemu.h"
#include "qemu-common.h"
@@ -546,10 +548,11 @@
mmap_lock();
-#if defined(MREMAP_FIXED)
if (flags & MREMAP_FIXED)
- host_addr = mremap(g2h(old_addr), old_size, new_size,
- flags, new_addr);
+ host_addr = (void *) syscall(__NR_mremap, g2h(old_addr),
+ old_size, new_size,
+ flags,
+ new_addr);
else if (flags & MREMAP_MAYMOVE) {
abi_ulong mmap_start;
@@ -559,11 +562,11 @@
errno = ENOMEM;
host_addr = MAP_FAILED;
} else
- host_addr = mremap(g2h(old_addr), old_size, new_size,
- flags | MREMAP_FIXED, g2h(mmap_start));
- } else
-#endif
- {
+ host_addr = (void *) syscall(__NR_mremap, g2h(old_addr),
+ old_size, new_size,
+ flags | MREMAP_FIXED,
+ g2h(mmap_start));
+ } else {
host_addr = mremap(g2h(old_addr), old_size, new_size, flags);
/* Check if address fits target address space */
if ((unsigned long)host_addr + new_size > (abi_ulong)-1) {
reply other threads:[~2008-12-15 17:58 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=E1LCHiT-0004CF-Lp@cvs.savannah.gnu.org \
--to=blauwirbel@gmail.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).