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

ANDROID: vendor_hook: Add hook in shmem_writepage()

Browse Source 
Add vendor hook android_vh_set_shmem_page_flag in shmem_writepage to
set a flag in page_ext, which indicates that this page is a shmem page,
to be used in android_vh_get_swap_page. The shared page should not be
reclaimed to the extended memory, ie, the specified swap location.

Bug: 234214858
Signed-off-by: Bing Han <bing.han@transsion.com>
Change-Id: I33a9007c88b4d8aab3da044c8a05eb45d7e74f3a
This commit is contained in:
Bing Han
2022-07-11 17:12:21 +08:00
parent 8ee37d0bcd
commit 0e1cb27700
3 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/trace/hooks/mm.h
View File

@@ -215,6 +215,9 @@ DECLARE_HOOK(android_vh_alloc_si,
DECLARE_HOOK(android_vh_free_pages,
TP_PROTO(struct page *page, unsigned int order),
TP_ARGS(page, order));
DECLARE_HOOK(android_vh_set_shmem_page_flag,
TP_PROTO(struct page *page),
TP_ARGS(page));
/* macro versions of hooks are no longer required */
#endif /* _TRACE_HOOK_MM_H */