xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'ttm-transhuge' of git://people.freedesktop.org/~thomash/linux into drm-next

Browse Source 
Huge page-table entries for TTM

In order to reduce CPU usage [1] and in theory TLB misses this patchset enables
huge- and giant page-table entries for TTM and TTM-enabled graphics drivers.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom (VMware) <thomas_os@shipmail.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200325073102.6129-1-thomas_os@shipmail.org
This commit is contained in:
Dave Airlie
2020-04-03 06:09:51 +10:00
parent 59e7a8cc2d 9431042dbc
commit 0e7e6198af
16 changed files with 692 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/fs.h
View File

@@ -3392,7 +3392,7 @@ static inline bool io_is_direct(struct file *filp)
return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host);
}
static inline bool vma_is_dax(struct vm_area_struct *vma)
static inline bool vma_is_dax(const struct vm_area_struct *vma)
{
return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host);
}