From b2e723019225ba03cef46b204dbfc51102f83259 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Tue, 6 Dec 2011 00:39:50 +0100 Subject: [PATCH] linux-user: map lower in address space While trying to compile Java I can into situations where there was simply no virtual address space left for a 32-bit guest to take. For example when Java tried to allocate 1GB of heap. Part of the problem is that we're starting to map things at 0x40000000. This is a bit high. Taking that number down would give us a lot of free virtual address space which means we'd be able to squeeze more stuff in. Signed-off-by: Alexander Graf --- linux-user/mmap.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 994c02b..505254f 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -210,7 +210,7 @@ static int mmap_frag(abi_ulong real_start, /* Cygwin doesn't have a whole lot of address space. */ # define TASK_UNMAPPED_BASE 0x18000000 #else -# define TASK_UNMAPPED_BASE 0x40000000 +# define TASK_UNMAPPED_BASE 0x10000000 #endif static abi_ulong mmap_next_start = TASK_UNMAPPED_BASE;