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-rw-r--r--nscd/hstcache.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/nscd/hstcache.c b/nscd/hstcache.c
index 94568d0d2b..78e29fb3d1 100644
--- a/nscd/hstcache.c
+++ b/nscd/hstcache.c
@@ -332,8 +332,13 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
{
/* If necessary, we also propagate the data to disk. */
if (db->persistent)
- // XXX async OK?
- msync (dataset, total + req->key_len, MS_ASYNC);
+ {
+ // XXX async OK?
+ uintptr_t pval = (uintptr_t) dataset & ~pagesize_m1;
+ msync ((void *) pval,
+ ((uintptr_t) dataset & pagesize_m1)
+ + total + req->key_len, MS_ASYNC);
+ }
addr_list_type = (hst->h_length == NS_INADDRSZ
? GETHOSTBYADDR : GETHOSTBYADDRv6);