end = ELF_PAGEALIGN(end);
if (end > start) {
unsigned long addr;
- down_write(¤t->mm->mmap_sem);
- addr = do_brk(start, end - start);
- up_write(¤t->mm->mmap_sem);
+ addr = vm_brk(start, end - start);
if (BAD_ADDR(addr))
return addr;
}
elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1);
/* Map the last of the bss segment */
- down_write(¤t->mm->mmap_sem);
- error = do_brk(elf_bss, last_bss - elf_bss);
- up_write(¤t->mm->mmap_sem);
+ error = vm_brk(elf_bss, last_bss - elf_bss);
if (BAD_ADDR(error))
goto out_close;
}
and some applications "depend" upon this behavior.
Since we do not have the power to recompile these, we
emulate the SVr4 behavior. Sigh. */
- down_write(¤t->mm->mmap_sem);
- error = do_mmap(NULL, 0, PAGE_SIZE, PROT_READ | PROT_EXEC,
+ error = vm_mmap(NULL, 0, PAGE_SIZE, PROT_READ | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE, 0);
- up_write(¤t->mm->mmap_sem);
}
#ifdef ELF_PLAT_INIT
eppnt++;
/* Now use mmap to map the library into memory. */
- down_write(¤t->mm->mmap_sem);
- error = do_mmap(file,
+ error = vm_mmap(file,
ELF_PAGESTART(eppnt->p_vaddr),
(eppnt->p_filesz +
ELF_PAGEOFFSET(eppnt->p_vaddr)),
MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE,
(eppnt->p_offset -
ELF_PAGEOFFSET(eppnt->p_vaddr)));
- up_write(¤t->mm->mmap_sem);
if (error != ELF_PAGESTART(eppnt->p_vaddr))
goto out_free_ph;
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(¤t->mm->mmap_sem);
- do_brk(len, bss - len);
- up_write(¤t->mm->mmap_sem);
- }
+ if (bss > len)
+ vm_brk(len, bss - len);
error = 0;
out_free_ph: