[PATCH v4 1/1] mm/highmem: Remove deprecated kmap_atomic

eviation: 4915 us Signed-off-by: Ira Weiny Signed-off-by: Prathu Baronia [Updated commit text with test data] --- include/linux/highmem.h | 28 ++-- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/include/linux/highmem.h b/include/linux/highmem.h index d2c7

[PATCH v4 0/1] mm/highmem: Remove deprecated kmap_atomic

Updated the commit text. Changelog: Added my test data to Ira's v3 patch. Ira Weiny (1): mm/highmem: Remove deprecated kmap_atomic include/linux/highmem.h | 28 ++-- 1 file changed, 14 insertions(+), 14 deletions(-) -- 2.17.1

[PATCH v2 1/1] mm: Optimizing hugepage zeroing in arm64

Reported-by: Chintan Pandya Signed-off-by: Prathu Baronia --- include/linux/highmem.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/highmem.h b/include/linux/highmem.h index d2c70d3772a3..444df139b489 100644 --- a/include/linux/highmem.h +++ b/include/li

[PATCH v2 0/1] mm: Optimizing hugepage zeroing in arm64

As discussed on the v1 thread I have used the recently introduced kmap_local_* APIs to avoid unnecessary preemption and pagefault disabling. I did not get further response on the previous thread so sending this again. Prathu Baronia (1): mm: Optimizing hugepage zeroing in arm64 include/linux

[PATCH 1/1] mm: Optimizing hugepage zeroing in arm64

Signed-off-by: Prathu Baronia --- arch/arm64/include/asm/page.h | 3 +++ arch/arm64/mm/copypage.c | 8 2 files changed, 11 insertions(+) diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h index 012cffc574e8..8f9d005a11bb 100644 --- a/arch/arm64/include/asm/page

[PATCH 0/1] mm: Optimizing hugepage zeroing in arm64

t the opposition that the change was not architecturally neutral. Upon revisiting this now I see significant improvement by removing around 2k barrier calls from the zeroing path. So hereby I propose an arm64 specific definition of clear_user_highpage(). Prathu Baronia (1): mm: Optimizing hugepage zeroi