On 2/19/19 4:53 PM, Oscar Salvador wrote:
> On Mon, Feb 18, 2019 at 02:15:35PM +0300, Kirill A. Shutemov wrote:
>> On Mon, Feb 18, 2019 at 10:57:18AM +0100, Vlastimil Babka wrote:
>>> IMHO it makes sense to do all such resource limit checks upfront. It
>>> should all be protected by mmap_sem and th
On Mon, Feb 18, 2019 at 02:15:35PM +0300, Kirill A. Shutemov wrote:
> On Mon, Feb 18, 2019 at 10:57:18AM +0100, Vlastimil Babka wrote:
> > IMHO it makes sense to do all such resource limit checks upfront. It
> > should all be protected by mmap_sem and thus stable, right? Even if it
> > was racy, I'
On Mon, Feb 18, 2019 at 10:57:18AM +0100, Vlastimil Babka wrote:
> On 2/18/19 9:33 AM, Oscar Salvador wrote:
> >
> > Hi all,
> >
> > I would like to bring up a topic that comes from an issue a customer of ours
> > is facing with the mremap syscall + hitting the max_map_count threshold:
> >
> > W
On Mon, Feb 18, 2019 at 10:57:18AM +0100, Vlastimil Babka wrote:
> On 2/18/19 9:33 AM, Oscar Salvador wrote:
> >
> > Hi all,
> >
> > I would like to bring up a topic that comes from an issue a customer of ours
> > is facing with the mremap syscall + hitting the max_map_count threshold:
> >
> > W
On 2/18/19 9:33 AM, Oscar Salvador wrote:
>
> Hi all,
>
> I would like to bring up a topic that comes from an issue a customer of ours
> is facing with the mremap syscall + hitting the max_map_count threshold:
>
> When passing the MREMAP_FIXED flag, mremap() calls mremap_to() which does the
> fo
Hi all,
I would like to bring up a topic that comes from an issue a customer of ours
is facing with the mremap syscall + hitting the max_map_count threshold:
When passing the MREMAP_FIXED flag, mremap() calls mremap_to() which does the
following:
1) it unmaps the region where we want to put th
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