On 03/21/2018 01:56 PM, Andrew Morton wrote:
> On Wed, 21 Mar 2018 09:13:14 -0700 Mike Kravetz
> wrote:
>>
>> +static int shm_split(struct vm_area_struct *vma, unsigned long addr)
>> +{
>> +struct file *file = vma->vm_file;
>> +struct shm_file_data *sfd = shm_file_data(file);
>> +
>> +
On Wed, 21 Mar 2018 09:13:14 -0700 Mike Kravetz wrote:
> If System V shmget/shmat operations are used to create a hugetlbfs
> backed mapping, it is possible to munmap part of the mapping and
> split the underlying vma such that it is not huge page aligned.
> This will untimately result in the fol
On Wed, Mar 21, 2018 at 9:13 AM, Mike Kravetz wrote:
>
> If System V shmget/shmat operations are used to create a hugetlbfs
> backed mapping, it is possible to munmap part of the mapping and
> split the underlying vma such that it is not huge page aligned.
> This will untimately result in the foll
If System V shmget/shmat operations are used to create a hugetlbfs
backed mapping, it is possible to munmap part of the mapping and
split the underlying vma such that it is not huge page aligned.
This will untimately result in the following BUG:
kernel BUG at /build/linux-jWa1Fv/linux-4.15.0/mm/hu
4 matches
Mail list logo