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| author | Stefan Metzmacher <metze@samba.org> | 2011-01-19 17:55:13 +0100 |
|---|---|---|
| committer | Stefan Metzmacher <metze@samba.org> | 2011-01-20 05:31:43 +0100 |
| commit | 9e00d2a9a47d03b41e88407eb89395b870a104a5 (patch) | |
| tree | 9917732bf41f2c30bf7d56a45023ff6e4d7ed9c0 | |
| parent | df4752e3ab358d7f8312cec9caaaedf4f6e825a6 (diff) | |
| download | samba-9e00d2a9a47d03b41e88407eb89395b870a104a5.tar.gz samba-9e00d2a9a47d03b41e88407eb89395b870a104a5.tar.bz2 samba-9e00d2a9a47d03b41e88407eb89395b870a104a5.zip | |
lib/util: fix rounding to page size in allocate_anonymous_shared()
metze
| -rw-r--r-- | lib/util/util.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/util/util.c b/lib/util/util.c index 42beed4bcb..8928026e80 100644 --- a/lib/util/util.c +++ b/lib/util/util.c @@ -941,10 +941,14 @@ void *allocate_anonymous_shared(size_t bufsz) { void *buf; size_t pagesz = getpagesize(); + size_t pagecnt; + /* round up to full pages */ + pagecnt = bufsz / pagesz; if (bufsz % pagesz) { - bufsz = (bufsz + pagesz) % pagesz; /* round up to pagesz */ + pagecnt += 1; } + bufsz = pagesz * pagecnt; #ifdef MAP_ANON /* BSD */ |