diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2009-12-03 19:51:02 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-12-11 06:44:58 -0500 |
| commit | 05d72faa6d13c9d857478a5d35c85db9adada685 (patch) | |
| tree | e38ab5cf8c3b16456df9cdb8cf7534236546a4fb /arch/sparc/kernel/sys_sparc_64.c | |
| parent | 2c6a10161d0b5fc047b5bd81b03693b9af99fab5 (diff) | |
sparc_brk() is not needed anymore
the checks it's doing are duplicated in sys_brk() and failing
them early makes no sense, AFAICT.
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sparc/kernel/sys_sparc_64.c')
| -rw-r--r-- | arch/sparc/kernel/sys_sparc_64.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 8f9cd58497de..cfa0e19abe3b 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -403,18 +403,6 @@ void arch_pick_mmap_layout(struct mm_struct *mm) } } -SYSCALL_DEFINE1(sparc_brk, unsigned long, brk) -{ - /* People could try to be nasty and use ta 0x6d in 32bit programs */ - if (test_thread_flag(TIF_32BIT) && brk >= STACK_TOP32) - return current->mm->brk; - - if (unlikely(straddles_64bit_va_hole(current->mm->brk, brk))) - return current->mm->brk; - - return sys_brk(brk); -} - /* * sys_pipe() is the normal C calling standard for creating * a pipe. It's not the way unix traditionally does this, though. |