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ANDROID: vendor_hooks: account page-mapcount

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Support five hooks as follows to account
the amount of multi-mapped pages in kernel:

- android_vh_show_mapcount_pages
- android_vh_do_traversal_lruvec
- android_vh_update_page_mapcount
- android_vh_add_page_to_lrulist
- android_vh_del_page_from_lrulist

Bug: 236578020
Signed-off-by: Peifeng Li <lipeifeng@oppo.com>
Change-Id: Ia2c7015aab442be7dbb496b8b630b9dff59ab935
This commit is contained in:
Peifeng Li
2022-06-23 14:15:35 +08:00
committed by Suren Baghdasaryan
parent 1d2287f56e
commit 3f775b9367
8 changed files with 129 additions and 23 deletions
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5
drivers/android/vendor_hooks.c
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@@ -274,6 +274,8 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_include_reserved_zone);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_pages_slowpath_begin);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_pages_slowpath_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_mem);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_mapcount_pages);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_traversal_lruvec);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpci_override_toggling);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_chk_contaminant);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_get_vbus);
@@ -393,6 +395,9 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_tcp_recvmsg_stat);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_pci_d3_sleep);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_kmalloc_slab);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmap_region);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_update_page_mapcount);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_add_page_to_lrulist);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_del_page_from_lrulist);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_to_unmap_one);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_id_remove);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_css_offline);