x arch/um/ prototype which was missed in v1 (Anton Ivanov)
update changelog with manual fixups for m68k and microblaze.
not included - (4) mm: select HAVE_MOVE_PMD in arm64 for faster mremap
This patch is dropped since last posting pending further performance
testing on arm64 w
On 12/10/2018 22:40, Kirill A. Shutemov wrote:
On Fri, Oct 12, 2018 at 05:42:24PM +0100, Anton Ivanov wrote:
On 10/12/18 3:48 PM, Anton Ivanov wrote:
On 12/10/2018 15:37, Kirill A. Shutemov wrote:
On Fri, Oct 12, 2018 at 03:09:49PM +0100, Anton Ivanov wrote:
On 10/12/18 2:37 AM, Joel
On 10/12/18 5:50 PM, Joel Fernandes wrote:
On Fri, Oct 12, 2018 at 05:42:24PM +0100, Anton Ivanov wrote:
On 10/12/18 3:48 PM, Anton Ivanov wrote:
On 12/10/2018 15:37, Kirill A. Shutemov wrote:
On Fri, Oct 12, 2018 at 03:09:49PM +0100, Anton Ivanov wrote:
On 10/12/18 2:37 AM, Joel Fernandes
On 10/12/18 3:48 PM, Anton Ivanov wrote:
On 12/10/2018 15:37, Kirill A. Shutemov wrote:
On Fri, Oct 12, 2018 at 03:09:49PM +0100, Anton Ivanov wrote:
On 10/12/18 2:37 AM, Joel Fernandes (Google) wrote:
Android needs to mremap large regions of memory during memory
management
related
On 12/10/2018 15:37, Kirill A. Shutemov wrote:
On Fri, Oct 12, 2018 at 03:09:49PM +0100, Anton Ivanov wrote:
On 10/12/18 2:37 AM, Joel Fernandes (Google) wrote:
Android needs to mremap large regions of memory during memory management
related operations. The mremap system call can be really
On 10/12/18 2:37 AM, Joel Fernandes (Google) wrote:
Android needs to mremap large regions of memory during memory management
related operations. The mremap system call can be really slow if THP is
not enabled. The bottleneck is move_page_tables, which is copying each
pte at a time, and can be rea
On 10/12/18 2:37 AM, Joel Fernandes (Google) wrote:
This series speeds up mremap(2) syscall by copying page tables at the
PMD level even for non-THP systems. There is concern that the extra
'address' argument that mremap passes to pte_alloc may do something
subtle architecture related in the fu
