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[v2] linux-user: bigger default stack 

PTHREAD_STACK_MIN (16KB) is somewhat inadequate for a new stack for new
QEMU threads. Set new limit to 256K which should be enough, yet doesn't
increase memory pressure significantly.

Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
Reviewed-by: Nathan Froyd <froydnj@codesourcery.com>
This commit is contained in:
Riku Voipio 2011-03-04 15:27:29 +02:00 committed by Riku Voipio
parent b0b36e5d2e
commit 05098a9315
1 changed files with 2 additions and 5 deletions
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7
linux-user/syscall.c
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@ -3690,9 +3690,9 @@ static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
#endif /* defined(TARGET_I386) */
#if defined(CONFIG_USE_NPTL)
#define NEW_STACK_SIZE 0x40000
#define NEW_STACK_SIZE PTHREAD_STACK_MIN
#if defined(CONFIG_USE_NPTL)
static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
typedef struct {
@ -3736,9 +3736,6 @@ static void *clone_func(void *arg)
return NULL;
}
#else
/* this stack is the equivalent of the kernel stack associated with a
thread/process */
#define NEW_STACK_SIZE 8192
static int clone_func(void *arg)
{