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authorEli Zaretskii <eliz@gnu.org>2013-01-22 15:30:17 +0200
committerEli Zaretskii <eliz@gnu.org>2013-01-22 15:30:17 +0200
commit81abbb95448708ac28485d469e3b04749d1b8b08 (patch)
tree32373d9170451fc7e9a5c4ef91f0845b36b01102
parentba14c607ba7fdadb494b57a9788997059ba510bf (diff)
downloademacs-81abbb95448708ac28485d469e3b04749d1b8b08.tar.gz
Fix bug #13065 with file selector dialog on Windows 7.
src/w32heap.c (allocate_heap) [!_WIN64]: Decrease the initial request of memory reservation to 1.7GB.
-rw-r--r--src/ChangeLog5
-rw-r--r--src/w32heap.c6
2 files changed, 10 insertions, 1 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index 623d9e4877f..e7ab13311e1 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-22 Eli Zaretskii <eliz@gnu.org>
+
+ * w32heap.c (allocate_heap) [!_WIN64]: Decrease the initial
+ request of memory reservation to 1.7GB. (Bug#13065)
+
2013-01-20 Andreas Schwab <schwab@linux-m68k.org>
* coding.c (detect_coding_iso_2022): Move back mis-reordered code
diff --git a/src/w32heap.c b/src/w32heap.c
index 9c189dbda6d..81206ce2834 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -98,7 +98,11 @@ allocate_heap (void)
#ifdef _WIN64
size_t size = 0x4000000000i64; /* start by asking for 32GB */
#else
- size_t size = 0x80000000; /* start by asking for 2GB */
+ /* We used to start with 2GB here, but on Windows 7 that would leave
+ too little room in the address space for threads started by
+ Windows on our behalf, e.g. when we pop up the file selection
+ dialog. */
+ size_t size = 0x68000000; /* start by asking for 1.7GB */
#endif
void *ptr = NULL;