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authorDavid S. Miller <davem@davemloft.net>2012-04-26 20:00:35 -0700
committerDavid S. Miller <davem@davemloft.net>2012-04-26 20:00:35 -0700
commit8fe5f56c8a203a7a83d1b621c369655d914f3752 (patch)
treeec865efb2d577d1e536720a28ae18b10bdbfd973 /fs/binfmt_elf_fdpic.c
parentdf2e7f525d88da992021b589d8a412afc15de36c (diff)
parent82b769063598d01a8b24abf250a53f8b437e09f1 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts: arch/sparc/kernel/leon_smp.c Merge mainline to get the nobootmem.c bug fix, for the sake of the sparc64 NO_BOOTMEM conversion. Resolve a small include line conflict in leon_smp.c Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/binfmt_elf_fdpic.c')
-rw-r--r--fs/binfmt_elf_fdpic.c18
1 files changed, 4 insertions, 14 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 9bd5612a8224..d390a0fffc65 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -390,21 +390,17 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
(executable_stack == EXSTACK_DEFAULT && VM_STACK_FLAGS & VM_EXEC))
stack_prot |= PROT_EXEC;
- down_write(&current->mm->mmap_sem);
- current->mm->start_brk = do_mmap(NULL, 0, stack_size, stack_prot,
+ current->mm->start_brk = vm_mmap(NULL, 0, stack_size, stack_prot,
MAP_PRIVATE | MAP_ANONYMOUS |
MAP_UNINITIALIZED | MAP_GROWSDOWN,
0);
if (IS_ERR_VALUE(current->mm->start_brk)) {
- up_write(&current->mm->mmap_sem);
retval = current->mm->start_brk;
current->mm->start_brk = 0;
goto error_kill;
}
- up_write(&current->mm->mmap_sem);
-
current->mm->brk = current->mm->start_brk;
current->mm->context.end_brk = current->mm->start_brk;
current->mm->context.end_brk +=
@@ -955,10 +951,8 @@ static int elf_fdpic_map_file_constdisp_on_uclinux(
if (params->flags & ELF_FDPIC_FLAG_EXECUTABLE)
mflags |= MAP_EXECUTABLE;
- down_write(&mm->mmap_sem);
- maddr = do_mmap(NULL, load_addr, top - base,
+ maddr = vm_mmap(NULL, load_addr, top - base,
PROT_READ | PROT_WRITE | PROT_EXEC, mflags, 0);
- up_write(&mm->mmap_sem);
if (IS_ERR_VALUE(maddr))
return (int) maddr;
@@ -1096,10 +1090,8 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,
/* create the mapping */
disp = phdr->p_vaddr & ~PAGE_MASK;
- down_write(&mm->mmap_sem);
- maddr = do_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,
+ maddr = vm_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,
phdr->p_offset - disp);
- up_write(&mm->mmap_sem);
kdebug("mmap[%d] <file> sz=%lx pr=%x fl=%x of=%lx --> %08lx",
loop, phdr->p_memsz + disp, prot, flags,
@@ -1143,10 +1135,8 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,
unsigned long xmaddr;
flags |= MAP_FIXED | MAP_ANONYMOUS;
- down_write(&mm->mmap_sem);
- xmaddr = do_mmap(NULL, xaddr, excess - excess1,
+ xmaddr = vm_mmap(NULL, xaddr, excess - excess1,
prot, flags, 0);
- up_write(&mm->mmap_sem);
kdebug("mmap[%d] <anon>"
" ad=%lx sz=%lx pr=%x fl=%x of=0 --> %08lx",