lkml.org 
[lkml]   [2018]   [Feb]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mm/kasan: Don't vfree() nonexistent vm_area.
On Thu, Feb 01, 2018 at 07:33:49PM +0300, Andrey Ryabinin wrote:
> + case MEM_OFFLINE: {
> + struct vm_struct *vm;
> +
> + /*
> + * Only hot-added memory have vm_area. Freeing shadow
> + * mapped during boot would be tricky, so we'll just
> + * have to keep it.
> + */
> + vm = find_vm_area((void *)shadow_start);
> + if (vm)
> + vfree((void *)shadow_start);
> + }

This looks like a complicated way to spell 'is_vmalloc_addr' ...

\
 
 \ /
  Last update: 2018-02-01 20:58    [W:0.101 / U:0.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site