Commit 2c6a1016 authored by Al Viro's avatar Al Viro
Browse files

switch do_brk() to get_unmapped_area()


Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 9206de95
......@@ -1985,20 +1985,14 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
if (!len)
return addr;
if ((addr + len) > TASK_SIZE || (addr + len) < addr)
return -EINVAL;
if (is_hugepage_only_range(mm, addr, len))
return -EINVAL;
error = security_file_mmap(NULL, 0, 0, 0, addr, 1);
if (error)
return error;
flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
error = arch_mmap_check(addr, len, flags);
if (error)
error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED);
if (error & ~PAGE_MASK)
return error;
/*
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment