ath10k: rename board_data in struct ath10k

[cascardo/linux.git] / mm / mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index 8468ffd..fbad7b0 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1358,18 +1358,19 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
 
        if (!(flags & MAP_ANONYMOUS)) {
                audit_mmap_fd(fd, flags);
-               if (unlikely(flags & MAP_HUGETLB))
-                       return -EINVAL;
                file = fget(fd);
                if (!file)
                        goto out;
                if (is_file_hugepages(file))
                        len = ALIGN(len, huge_page_size(hstate_file(file)));
+               retval = -EINVAL;
+               if (unlikely(flags & MAP_HUGETLB && !is_file_hugepages(file)))
+                       goto out_fput;
        } else if (flags & MAP_HUGETLB) {
                struct user_struct *user = NULL;
-               struct hstate *hs = hstate_sizelog((flags >> MAP_HUGE_SHIFT) &
-                                                  SHM_HUGE_MASK);
+               struct hstate *hs;
 
+               hs = hstate_sizelog((flags >> MAP_HUGE_SHIFT) & SHM_HUGE_MASK);
                if (!hs)
                        return -EINVAL;
 
@@ -1391,6 +1392,7 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
        flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
 
        retval = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);
+out_fput:
        if (file)
                fput(file);
 out:
@@ -1876,15 +1878,6 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
 }
 #endif 
 
-void arch_unmap_area(struct mm_struct *mm, unsigned long addr)
-{
-       /*
-        * Is this a new hole at the lowest possible address?
-        */
-       if (addr >= TASK_UNMAPPED_BASE && addr < mm->free_area_cache)
-               mm->free_area_cache = addr;
-}
-
 /*
  * This mmap-allocator allocates new areas top-down from below the
  * stack's low limit (the base):
@@ -1941,19 +1934,6 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
 }
 #endif
 
-void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr)
-{
-       /*
-        * Is this a new hole at the highest possible address?
-        */
-       if (addr > mm->free_area_cache)
-               mm->free_area_cache = addr;
-
-       /* dont allow allocations above current base */
-       if (mm->free_area_cache > mm->mmap_base)
-               mm->free_area_cache = mm->mmap_base;
-}
-
 unsigned long
 get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
                unsigned long pgoff, unsigned long flags)
@@ -2374,7 +2354,6 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
 {
        struct vm_area_struct **insertion_point;
        struct vm_area_struct *tail_vma = NULL;
-       unsigned long addr;
 
        insertion_point = (prev ? &prev->vm_next : &mm->mmap);
        vma->vm_prev = NULL;
@@ -2391,11 +2370,6 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
        } else
                mm->highest_vm_end = prev ? prev->vm_end : 0;
        tail_vma->vm_next = NULL;
-       if (mm->unmap_area == arch_unmap_area)
-               addr = prev ? prev->vm_end : mm->mmap_base;
-       else
-               addr = vma ?  vma->vm_start : mm->mmap_base;
-       mm->unmap_area(mm, addr);
        mm->mmap_cache = NULL;          /* Kill the cache. */
 }