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ANDROID: mm: create vendor hooks for mm lru_lazyfree

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Add vendor hook to add lazyfree to lru tail in lru_lazyfree

Bug: 396330858
Change-Id: I3d421992811fa87cf1c5c45cfe2a08e06004da83
Signed-off-by: yipeng xiang <yipengxiang@honor.corp-partner.google.com>
This commit is contained in:
yipeng xiang
2025-02-14 11:46:58 +08:00
committed by Treehugger Robot
parent 81f28d1a9f
commit 99818c18b2
3 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/android/vendor_hooks.c
+1
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@@ -302,6 +302,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dpm_wait_finish);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_uplink_send_msg);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_inet_create);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sock_create);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_add_lazyfree_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tcp_v4_connect);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tcp_v6_connect);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_udp_v4_connect);
include/trace/hooks/mm.h
+3
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@@ -215,6 +215,9 @@ DECLARE_HOOK(android_vh_alloc_pages_slowpath_end,
unsigned long pages_reclaimed, int retry_loop_count),
TP_ARGS(gfp_mask, order, alloc_start, stime, did_some_progress,
pages_reclaimed, retry_loop_count));
DECLARE_HOOK(android_vh_add_lazyfree_bypass,
TP_PROTO(struct lruvec *lruvec, struct folio *folio, bool *bypass),
TP_ARGS(lruvec, folio, bypass));
DECLARE_HOOK(android_vh_alloc_contig_range_not_isolated,
TP_PROTO(unsigned long start, unsigned end),
TP_ARGS(start, end));
mm/swap.c
+7 -1
View File
@@ -43,6 +43,9 @@
#define CREATE_TRACE_POINTS
#include <trace/events/pagemap.h>
#undef CREATE_TRACE_POINTS
#include <trace/hooks/mm.h>
/* How many pages do we try to swap or page in/out together? As a power of 2 */
int page_cluster;
const int page_cluster_max = 31;
@@ -613,6 +616,7 @@ static void lru_deactivate(struct lruvec *lruvec, struct folio *folio)
static void lru_lazyfree(struct lruvec *lruvec, struct folio *folio)
{
long nr_pages = folio_nr_pages(folio);
bool folio_added = false;
if (!folio_test_anon(folio) || !folio_test_swapbacked(folio) ||
folio_test_swapcache(folio) || folio_test_unevictable(folio))
@@ -627,7 +631,9 @@ static void lru_lazyfree(struct lruvec *lruvec, struct folio *folio)
* anonymous folios
*/
folio_clear_swapbacked(folio);
lruvec_add_folio(lruvec, folio);
trace_android_vh_add_lazyfree_bypass(lruvec, folio, &folio_added);
if (!folio_added)
lruvec_add_folio(lruvec, folio);
__count_vm_events(PGLAZYFREE, nr_pages);
__count_memcg_events(lruvec_memcg(lruvec), PGLAZYFREE, nr_pages);