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authorPeter Maydell <peter.maydell@linaro.org>2015-03-10 11:44:59 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-03-10 11:44:59 +0000
commit8437f7be3b1c49631e435c652707f2cee477149d (patch)
tree0ee51a4ec9a966a780e414f823599aa183865ae7 /util/oslib-posix.c
parent277263e1b320d759a760ba6c5ea75ec268f929e5 (diff)
parent438940cbc2eabbe9e403e5249dfa0be6c792c93b (diff)
downloadfocaccia-qemu-8437f7be3b1c49631e435c652707f2cee477149d.tar.gz
focaccia-qemu-8437f7be3b1c49631e435c652707f2cee477149d.zip
Merge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2015-03-04' into staging
trivial patches for 2015-03-04

# gpg: Signature made Tue Mar 10 05:16:59 2015 GMT using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"

* remotes/mjt/tags/pull-trivial-patches-2015-03-04: (44 commits)
  9pfs: remove useless return
  gdbstub: avoid possible NULL pointer dereference
  milkymist-pfpu: fix GCC 5.0.0 aggressive-loop-optimizations warning
  fix GCC 5.0.0 logical-not-parentheses warnings
  migration: Fix coding style (whitespace issues)
  oslib-posix: Fix compiler warning (-Wclobbered) and simplify the code
  disas/microblaze: Fix warnings caused by missing 'static' attribute
  disas/arm: Fix warnings caused by missing 'static' attribute
  vhost_net: Add missing 'static' attribute
  e500: fix memory leak
  gitignore: Ignore new tests
  gitignore: Track common.env in iotests gitignore
  sysbus: fix memory leak
  milkymist.c: fix memory leak
  macio: fix possible memory leak
  sparc/leon3.c: fix memory leak
  nbd: fix resource leak
  qemu-char: add cyrillic key 'numerosign' to Russian keymap
  qemu-char: add cyrillic characters 'numerosign' to VNC keysyms
  qapi-schema: Fix SpiceChannel docs
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'util/oslib-posix.c')
-rw-r--r--util/oslib-posix.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 16fcec2f37..37ffd96245 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -399,10 +399,10 @@ void os_mem_prealloc(int fd, char *area, size_t memory)
     } else {
         int i;
         size_t hpagesize = fd_getpagesize(fd);
+        size_t numpages = DIV_ROUND_UP(memory, hpagesize);
 
         /* MAP_POPULATE silently ignores failures */
-        memory = (memory + hpagesize - 1) & -hpagesize;
-        for (i = 0; i < (memory / hpagesize); i++) {
+        for (i = 0; i < numpages; i++) {
             memset(area + (hpagesize * i), 0, 1);
         }