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authorAurelien Jarno <aurelien@aurel32.net>2010-02-08 14:58:31 +0100
committerAndreas Schwab <schwab@redhat.com>2010-02-08 14:59:28 +0100
commit6a147cc6e402e7167fa1213c31dc42a6fa38f52b (patch)
treef482c25fa6730e94cbb6a00ee0b74a65060d440f
parentaddc93c31a036e8eda37d863a6b6c63dd8d73fd8 (diff)
Use shared mapping to reserve memory when creating locale archive
-rw-r--r--ChangeLog7
-rw-r--r--locale/programs/locarchive.c6
2 files changed, 10 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index c5ba42c712..bbd60761a4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-10-27 Aurelien Jarno <aurelien@aurel32.net>
+
+ [BZ #10855]
+ * locale/programs/locarchive.c: use MMAP_SHARED to reserve memory
+ used later with MMAP_FIXED | MMAP_SHARED to cope with different
+ alignment restrictions.
+
2010-02-08 Andreas Schwab <schwab@redhat.com>
[BZ #11155]
diff --git a/locale/programs/locarchive.c b/locale/programs/locarchive.c
index a58505852d..4335369d61 100644
--- a/locale/programs/locarchive.c
+++ b/locale/programs/locarchive.c
@@ -134,7 +134,7 @@ create_archive (const char *archivefname, struct locarhandle *ah)
size_t reserved = RESERVE_MMAP_SIZE;
int xflags = 0;
if (total < reserved
- && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_PRIVATE | MAP_ANON,
+ && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_SHARED | MAP_ANON,
-1, 0)) != MAP_FAILED))
xflags = MAP_FIXED;
else
@@ -396,7 +396,7 @@ enlarge_archive (struct locarhandle *ah, const struct locarhead *head)
size_t reserved = RESERVE_MMAP_SIZE;
int xflags = 0;
if (total < reserved
- && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_PRIVATE | MAP_ANON,
+ && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_SHARED | MAP_ANON,
-1, 0)) != MAP_FAILED))
xflags = MAP_FIXED;
else
@@ -614,7 +614,7 @@ open_archive (struct locarhandle *ah, bool readonly)
int xflags = 0;
void *p;
if (st.st_size < reserved
- && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_PRIVATE | MAP_ANON,
+ && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_SHARED | MAP_ANON,
-1, 0)) != MAP_FAILED))
xflags = MAP_FIXED;
else