On Fri, Sep 06, 2024 at 09:55:42AM +, Arnd Bergmann wrote:
> On Fri, Sep 6, 2024, at 09:14, Guo Ren wrote:
> > On Fri, Sep 6, 2024 at 3:18 PM Arnd Bergmann wrote:
> >> It's also unclear to me how we want this flag to interact with
> >> the existing logic in arch_get_mmap_end(), which attempts
On Fri, Sep 6, 2024, at 09:14, Guo Ren wrote:
> On Fri, Sep 6, 2024 at 3:18 PM Arnd Bergmann wrote:
>>
>> It's also unclear to me how we want this flag to interact with
>> the existing logic in arch_get_mmap_end(), which attempts to
>> limit the default mapping to a 47-bit address space already.
>
(Sorry having issues with my IPv6 setup that duplicated the original email...
On Fri, Sep 06, 2024 at 09:14:08AM GMT, Arnd Bergmann wrote:
> On Fri, Sep 6, 2024, at 08:14, Lorenzo Stoakes wrote:
> > On Fri, Sep 06, 2024 at 07:17:44AM GMT, Arnd Bergmann wrote:
> >> On Thu, Sep 5, 2024, at 21:15, Ch
Le 26/08/2024 à 08:55, Mike Rapoport a écrit :
From: "Mike Rapoport (Microsoft)"
Using large pages to map text areas reduces iTLB pressure and improves
performance.
Extend execmem_alloc() with an ability to use PMD_SIZE'ed pages with ROX
permissions as a cache for smaller allocations.
Why
On Fri, Sep 6, 2024 at 3:18 PM Arnd Bergmann wrote:
>
> On Thu, Sep 5, 2024, at 21:15, Charlie Jenkins wrote:
> > Create a personality flag ADDR_LIMIT_47BIT to support applications
> > that wish to transition from running in environments that support at
> > most 47-bit VAs to environments that sup
On Fri, Sep 6, 2024, at 08:14, Lorenzo Stoakes wrote:
> On Fri, Sep 06, 2024 at 07:17:44AM GMT, Arnd Bergmann wrote:
>> On Thu, Sep 5, 2024, at 21:15, Charlie Jenkins wrote:
>> > Create a personality flag ADDR_LIMIT_47BIT to support applications
>> > that wish to transition from running in environm
On Fri, Sep 06, 2024 at 07:17:44AM GMT, Arnd Bergmann wrote:
> On Thu, Sep 5, 2024, at 21:15, Charlie Jenkins wrote:
> > Create a personality flag ADDR_LIMIT_47BIT to support applications
> > that wish to transition from running in environments that support at
> > most 47-bit VAs to environments th
On Fri, Sep 06, 2024 at 07:17:44AM GMT, Arnd Bergmann wrote:
> On Thu, Sep 5, 2024, at 21:15, Charlie Jenkins wrote:
> > Create a personality flag ADDR_LIMIT_47BIT to support applications
> > that wish to transition from running in environments that support at
> > most 47-bit VAs to environments th
On Thu, Sep 5, 2024, at 21:15, Charlie Jenkins wrote:
> Create a personality flag ADDR_LIMIT_47BIT to support applications
> that wish to transition from running in environments that support at
> most 47-bit VAs to environments that support larger VAs. This
> personality can be set to cause all all
Charlie Jenkins writes:
> Create a personality flag ADDR_LIMIT_47BIT to support applications
> that wish to transition from running in environments that support at
> most 47-bit VAs to environments that support larger VAs. This
> personality can be set to cause all allocations to be below the 47-b
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