lkml.org 
[lkml]   [2022]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v4 21/66] mm/mmap: Change do_brk_flags() to expand existing VMA and add do_brk_munmap()
From
On 12/1/21 15:29, Liam Howlett wrote:
> @@ -1989,6 +2013,7 @@ EXPORT_SYMBOL(get_unmapped_area);
> struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
> {
> struct vm_area_struct *vma;
> + MA_STATE(mas, &mm->mm_mt, addr, addr);
>
> mmap_assert_locked(mm);
> /* Check the cache first. */
> @@ -1996,7 +2021,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
> if (likely(vma))
> return vma;
>
> - vma = mt_find(&mm->mm_mt, &addr, ULONG_MAX);
> + vma = mas_find(&mas, -1);
> if (vma)
> vmacache_update(addr, vma);
> return vma;

Oh and this change to find_vma() was supposed to go to the next patch, no?

\
 
 \ /
  Last update: 2022-01-13 16:28    [W:1.237 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site