forge/linux-uconsole
1
0
Fork 0
Code Issues 1 Pull requests Projects Releases Packages Wiki Activity Actions

ANDROID: mm: page_pinner: remove WARN_ON_ONCE

Browse source 
There are several path the WARN_ON_ONCE could be triggered but
it doesn't mean real bug since we intentionally allow it to make
code simple at this moment. So just remove the warnings	to prevent
folks confused it.

Bug: 192475091
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: I7d14c8490db841f61b01fe7c16b406c9b1850c46
This commit is contained in:
Minchan Kim 2021-07-07 13:19:32 -07:00
commit 849f048050
1 changed files with 0 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

3
mm/page_pinner.c
View file

@ -157,12 +157,9 @@ void __reset_page_pinner(struct page *page, unsigned int order, bool free)
page_pinner = get_page_pinner(page_ext);
if (free) {
WARN_ON_ONCE(atomic_read(&page_pinner->count));
atomic_set(&page_pinner->count, 0);
__clear_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags);
} else {
WARN_ON_ONCE(atomic_dec_if_positive(
&page_pinner->count) < 0);
check_longterm_pin(page_pinner, page);
}
clear_bit(PAGE_EXT_GET, &page_ext->flags);