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change the indentation of sys_brk()

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NAKAMURA Gou
2013-06-12 16:53:45 +09:00
parent 93f15321a5
commit 3ffe835243
1 changed files with 23 additions and 24 deletions
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47
kernel/syscall.c
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@@ -492,36 +492,35 @@ SYSCALL_DECLARE(brk)
{
unsigned long address = ihk_mc_syscall_arg0(ctx);
struct vm_regions *region = &cpu_local_var(current)->vm->region;
unsigned long r;
unsigned long r;
dkprintf("SC(%d)[sys_brk] brk_start=%lx,end=%lx\n", ihk_mc_get_processor_id(), region->brk_start, region->brk_end);
dkprintf("SC(%d)[sys_brk] brk_start=%lx,end=%lx\n",
ihk_mc_get_processor_id(), region->brk_start, region->brk_end);
/* brk change fail, including glibc trick brk(0) to obtain current brk */
if(address < region->brk_start) {
r = region->brk_end;
goto out;
}
/* brk change fail, including glibc trick brk(0) to obtain current brk */
if(address < region->brk_start) {
r = region->brk_end;
goto out;
}
/* brk change fail, because we don't shrink memory region */
if(address < region->brk_end) {
r = region->brk_end;
goto out;
}
/* brk change fail, because we don't shrink memory region */
if(address < region->brk_end) {
r = region->brk_end;
goto out;
}
/* try to extend memory region */
ihk_mc_spinlock_lock_noirq(&cpu_local_var(current)->vm->memory_range_lock);
region->brk_end =
extend_process_region(cpu_local_var(current),
region->brk_start, region->brk_end,
address, 0);
ihk_mc_spinlock_unlock_noirq(&cpu_local_var(current)->vm->memory_range_lock);
dkprintf("SC(%d)[sys_brk] brk_end set to %lx\n", ihk_mc_get_processor_id(), region->brk_end);
r = region->brk_end;
/* try to extend memory region */
ihk_mc_spinlock_lock_noirq(&cpu_local_var(current)->vm->memory_range_lock);
region->brk_end = extend_process_region(cpu_local_var(current),
region->brk_start, region->brk_end, address, 0);
ihk_mc_spinlock_unlock_noirq(&cpu_local_var(current)->vm->memory_range_lock);
dkprintf("SC(%d)[sys_brk] brk_end set to %lx\n",
ihk_mc_get_processor_id(), region->brk_end);
out:
r = region->brk_end;
out:
return r;
}
SYSCALL_DECLARE(getpid)