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mm/swap.c: don't pass "enum lru_list" to trace_mm_lru_insertion() 

The parameter is redundant in the sense that it can be extracted
from the "struct page" parameter by page_lru() correctly.

Link: https://lore.kernel.org/linux-mm/20201207220949.830352-5-yuzhao@google.com/
Link: https://lkml.kernel.org/r/20210122220600.906146-5-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Roman Gushchin <guro@fb.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yu Zhao 2021-02-24 12:08:21 -08:00 committed by Linus Torvalds
parent 3a9c9788a3
commit 861404536a
2 changed files with 5 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
include/trace/events/pagemap.h
View File

@ -27,24 +27,21 @@
TRACE_EVENT(mm_lru_insertion,
TP_PROTO(
struct page *page,
int lru
),
TP_PROTO(struct page *page),
TP_ARGS(page, lru),
TP_ARGS(page),
TP_STRUCT__entry(
__field(struct page *, page )
__field(unsigned long, pfn )
__field(int, lru )
__field(enum lru_list, lru )
__field(unsigned long, flags )
),
TP_fast_assign(
__entry->page = page;
__entry->pfn = page_to_pfn(page);
__entry->lru = lru;
__entry->lru = page_lru(page);
__entry->flags = trace_pagemap_flags(page);
),

5
mm/swap.c
View File

@ -957,7 +957,6 @@ EXPORT_SYMBOL(__pagevec_release);
static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec)
{
enum lru_list lru;
int was_unevictable = TestClearPageUnevictable(page);
int nr_pages = thp_nr_pages(page);
@ -993,11 +992,9 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec)
smp_mb__after_atomic();
if (page_evictable(page)) {
lru = page_lru(page);
if (was_unevictable)
__count_vm_events(UNEVICTABLE_PGRESCUED, nr_pages);
} else {
lru = LRU_UNEVICTABLE;
ClearPageActive(page);
SetPageUnevictable(page);
if (!was_unevictable)
@ -1005,7 +1002,7 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec)
}
add_page_to_lru_list(page, lruvec);
trace_mm_lru_insertion(page, lru);
trace_mm_lru_insertion(page);
}
/*