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-rw-r--r--fs/binfmt_elf.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 48ffb3d..0708a0b 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -82,9 +82,7 @@ static int set_brk(unsigned long start, unsigned long end)
end = ELF_PAGEALIGN(end);
if (end > start) {
unsigned long addr;
- down_write(&current->mm->mmap_sem);
- addr = do_brk(start, end - start);
- up_write(&current->mm->mmap_sem);
+ addr = vm_brk(start, end - start);
if (BAD_ADDR(addr))
return addr;
}
@@ -514,9 +512,7 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1);
/* Map the last of the bss segment */
- down_write(&current->mm->mmap_sem);
- error = do_brk(elf_bss, last_bss - elf_bss);
- up_write(&current->mm->mmap_sem);
+ error = vm_brk(elf_bss, last_bss - elf_bss);
if (BAD_ADDR(error))
goto out_close;
}
@@ -1072,11 +1068,8 @@ static int load_elf_library(struct file *file)
len = ELF_PAGESTART(eppnt->p_filesz + eppnt->p_vaddr +
ELF_MIN_ALIGN - 1);
bss = eppnt->p_memsz + eppnt->p_vaddr;
- if (bss > len) {
- down_write(&current->mm->mmap_sem);
- do_brk(len, bss - len);
- up_write(&current->mm->mmap_sem);
- }
+ if (bss > len)
+ vm_brk(len, bss - len);
error = 0;
out_free_ph:
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