]> www.infradead.org Git - users/jedix/linux-maple.git/commitdiff
mm/mmap: Change vm_brk_flags() to use mm_populate_vma()
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Fri, 9 Oct 2020 19:57:40 +0000 (15:57 -0400)
committerLiam R. Howlett <Liam.Howlett@Oracle.com>
Thu, 14 Jan 2021 01:33:55 +0000 (20:33 -0500)
Skip searching for the vma to populate after creating it by passing in a pointer.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
mm/mmap.c

index bd78565f8410dbdfabbbde3c95e489af1a29b01a..08df698fc3a380455081af49ddc8577217c78ed4 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -3064,10 +3064,10 @@ int vm_brk_flags(unsigned long addr, unsigned long request, unsigned long flags)
        // This vma left intentionally blank.
        mas_walk(&mas);
        ret = do_brk_flags(&mas, &vma, addr, len, flags);
-       populate = ((mm->def_flags & VM_LOCKED) != 0);
        mmap_write_unlock(mm);
+       populate = ((mm->def_flags & VM_LOCKED) != 0);
        if (populate && !ret)
-               mm_populate(addr, len);
+               mm_populate_vma(vma, addr, addr + len);
        return ret;
 }
 EXPORT_SYMBOL(vm_brk_flags);