A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 19:51:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

mm: introduce compound_nr()

Browse source 
Replace 1 << compound_order(page) with compound_nr(page).  Minor
improvements in readability.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Reviewed-by: Ira Weiny <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Matthew Wilcox (Oracle) 2019-09-23 15:34:30 -07:00 • committed by Linus Torvalds
commit d8c6546b1a
18 changed files with 30 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

2
mm/util.c
View file

@ -521,7 +521,7 @@ bool page_mapped(struct page *page)
return true;
if (PageHuge(page))
return false;
for (i = 0; i < (1 << compound_order(page)); i++) {
for (i = 0; i < compound_nr(page); i++) {
if (atomic_read(&page[i]._mapcount) >= 0)
return true;
}