diff options
| author | Mike Rapoport (IBM) <rppt@kernel.org> | 2023-03-21 20:05:08 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-06 05:42:54 +0300 |
| commit | f2fc4b44ec2bb94c51c7ae1af9b1177d72705992 (patch) | |
| tree | a83ba868392eb11ef980295f813541be4ff63d59 /mm/internal.h | |
| parent | 4cd1e9edf60efb20fad35cf5e9ade7ad75b34cd1 (diff) | |
| download | linux-f2fc4b44ec2bb94c51c7ae1af9b1177d72705992.tar.xz | |
mm: move init_mem_debugging_and_hardening() to mm/mm_init.c
init_mem_debugging_and_hardening() is only called from mm_core_init().
Move it close to the caller, make it static and rename it to
mem_debugging_and_hardening_init() for consistency with surrounding
convention.
Link: https://lkml.kernel.org/r/20230321170513.2401534-10-rppt@kernel.org
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Doug Berger <opendmb@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index 22f1410a0ee3..a2934c610182 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -204,6 +204,14 @@ pmd_t *mm_find_pmd(struct mm_struct *mm, unsigned long address); extern char * const zone_names[MAX_NR_ZONES]; +/* perform sanity checks on struct pages being allocated or freed */ +DECLARE_STATIC_KEY_MAYBE(CONFIG_DEBUG_VM, check_pages_enabled); + +static inline bool is_check_pages_enabled(void) +{ + return static_branch_unlikely(&check_pages_enabled); +} + /* * Structure for holding the mostly immutable allocation parameters passed * between functions involved in allocations, including the alloc_pages* |