aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/ia32/ia32_aout.c
diff options
context:
space:
mode:
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 /arch/x86/ia32/ia32_aout.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 'arch/x86/ia32/ia32_aout.c')
-rw-r--r--arch/x86/ia32/ia32_aout.c32
1 files changed, 8 insertions, 24 deletions
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index d511d951a052..4824fb45560f 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -119,9 +119,7 @@ static void set_brk(unsigned long start, unsigned long end)
end = PAGE_ALIGN(end);
if (end <= start)
return;
- down_write(&current->mm->mmap_sem);
- do_brk(start, end - start);
- up_write(&current->mm->mmap_sem);
+ vm_brk(start, end - start);
}
#ifdef CORE_DUMP
@@ -332,9 +330,7 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
pos = 32;
map_size = ex.a_text+ex.a_data;
- down_write(&current->mm->mmap_sem);
- error = do_brk(text_addr & PAGE_MASK, map_size);
- up_write(&current->mm->mmap_sem);
+ error = vm_brk(text_addr & PAGE_MASK, map_size);
if (error != (text_addr & PAGE_MASK)) {
send_sig(SIGKILL, current, 0);
@@ -373,9 +369,7 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
if (!bprm->file->f_op->mmap || (fd_offset & ~PAGE_MASK) != 0) {
loff_t pos = fd_offset;
- down_write(&current->mm->mmap_sem);
- do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data);
- up_write(&current->mm->mmap_sem);
+ vm_brk(N_TXTADDR(ex), ex.a_text+ex.a_data);
bprm->file->f_op->read(bprm->file,
(char __user *)N_TXTADDR(ex),
ex.a_text+ex.a_data, &pos);
@@ -385,26 +379,22 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
goto beyond_if;
}
- down_write(&current->mm->mmap_sem);
- error = do_mmap(bprm->file, N_TXTADDR(ex), ex.a_text,
+ error = vm_mmap(bprm->file, N_TXTADDR(ex), ex.a_text,
PROT_READ | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE |
MAP_EXECUTABLE | MAP_32BIT,
fd_offset);
- up_write(&current->mm->mmap_sem);
if (error != N_TXTADDR(ex)) {
send_sig(SIGKILL, current, 0);
return error;
}
- down_write(&current->mm->mmap_sem);
- error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data,
+ error = vm_mmap(bprm->file, N_DATADDR(ex), ex.a_data,
PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE |
MAP_EXECUTABLE | MAP_32BIT,
fd_offset + ex.a_text);
- up_write(&current->mm->mmap_sem);
if (error != N_DATADDR(ex)) {
send_sig(SIGKILL, current, 0);
return error;
@@ -476,9 +466,7 @@ static int load_aout_library(struct file *file)
error_time = jiffies;
}
#endif
- down_write(&current->mm->mmap_sem);
- do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);
- up_write(&current->mm->mmap_sem);
+ vm_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);
file->f_op->read(file, (char __user *)start_addr,
ex.a_text + ex.a_data, &pos);
@@ -490,12 +478,10 @@ static int load_aout_library(struct file *file)
goto out;
}
/* Now use mmap to map the library into memory. */
- down_write(&current->mm->mmap_sem);
- error = do_mmap(file, start_addr, ex.a_text + ex.a_data,
+ error = vm_mmap(file, start_addr, ex.a_text + ex.a_data,
PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_32BIT,
N_TXTOFF(ex));
- up_write(&current->mm->mmap_sem);
retval = error;
if (error != start_addr)
goto out;
@@ -503,9 +489,7 @@ static int load_aout_library(struct file *file)
len = PAGE_ALIGN(ex.a_text + ex.a_data);
bss = ex.a_text + ex.a_data + ex.a_bss;
if (bss > len) {
- down_write(&current->mm->mmap_sem);
- error = do_brk(start_addr + len, bss - len);
- up_write(&current->mm->mmap_sem);
+ error = vm_brk(start_addr + len, bss - len);
retval = error;
if (error != start_addr + len)
goto out;