Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-block.git] / arch / x86 / ia32 / ia32_aout.c

diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index 4c2e59a420b9f64a0f2709aef67188e19f8d3063..4824fb45560f7b6afe7bef4bf260f9f39f95a117 100644 (file)
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -26,7 +26,6 @@
 #include <linux/init.h>
 #include <linux/jiffies.h>
 
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/pgalloc.h>
 #include <asm/cacheflush.h>
@@ -120,9 +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
@@ -333,9 +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);
@@ -374,9 +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);
@@ -386,26 +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;
@@ -477,9 +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);
@@ -491,12 +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;
@@ -504,9 +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;