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

2021-02-11 Thread Andrew Morton
On Wed, 10 Feb 2021 16:33:07 -0800 Ira Weiny wrote: > > Signed-off-by: Ira Weiny > > This already has my signed off by so I'm not going to 'review'. With Prathu's > testing information I hope this can land. > > Andrew did you see this patch? I did now ;) Tossed onto the post-rc1 pile,

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

2021-02-10 Thread Ira Weiny
On Thu, Feb 04, 2021 at 01:02:53PM +0530, Prathu Baronia wrote: > From: Ira Weiny > > kmap_atomic() is being deprecated in favor of kmap_local_page(). > > Replace the uses of kmap_atomic() within the highmem code. > > On profiling clear_huge_page() using ftrace an improvement > of 62% was

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

2021-02-03 Thread Prathu Baronia
From: Ira Weiny kmap_atomic() is being deprecated in favor of kmap_local_page(). Replace the uses of kmap_atomic() within the highmem code. On profiling clear_huge_page() using ftrace an improvement of 62% was observed on the below setup. Setup:- Below data has been collected on Qualcomm's