free_pages_check_bad

Name:free_pages_check_bad

Proto:static void free_pages_check_bad(struct page *page)

Type:void

Parameter:

Type	Parameter	Name
struct page *	page

1033

bad_reason = NULL

1034

1036

If Value for the false possibility is greater at compile time(atomic_read( & * If the page can be mapped to userspace, encodes the number * of times this page is referenced by a page table.) != - 1) Then bad_reason = "nonzero mapcount"

1038

If Value for the false possibility is greater at compile time( See page-flags.h for PAGE_MAPPING_FLAGS != NULL) Then bad_reason = "non-NULL mapping"

1040

If Value for the false possibility is greater at compile time(page_ref_count(page) != 0) Then bad_reason = "nonzero _refcount"

1042

If Value for the false possibility is greater at compile time( Atomic flags, some possibly * updated asynchronously & Flags checked when a page is freed. Pages being freed should not have* these flags set. It they are, there is a problem.) Then

1043

bad_reason = "PAGE_FLAGS_CHECK_AT_FREE flag(s) set"

1044

bad_flags = Flags checked when a page is freed. Pages being freed should not have* these flags set. It they are, there is a problem.

1047

If Value for the false possibility is greater at compile time(mem_cgroup) Then bad_reason = "page still charged to cgroup"

1050

bad_page(page, bad_reason, bad_flags)

**Caller**
Name	Describe
free_pages_check

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion