From: Nikita Panov <panov.nikita@huawei.com> kunpeng inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IBOJU2 ------------------------------------------------- Acked-by: Artem Kuzin <artem.kuzin@huawei.com> Acked-by: Alexander Grubnikov <alexander.grubnikov@huawei.com> Acked-by: Ilya Hanov <ilya.hanov@huawei-partners.com> Acked-by: Denis Darvish <darvish.denis@huawei.com> Signed-off-by: Nikita Panov <panov.nikita@huawei.com> --- arch/arm64/mm/ptdump.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c index e305b6593c4e..833e753671c2 100644 --- a/arch/arm64/mm/ptdump.c +++ b/arch/arm64/mm/ptdump.c @@ -18,6 +18,7 @@ #include <linux/ptdump.h> #include <linux/sched.h> #include <linux/seq_file.h> +#include <linux/numa_kernel_replication.h> #include <asm/fixmap.h> #include <asm/kasan.h> @@ -345,7 +346,7 @@ static struct ptdump_info kernel_ptdump_info = { .base_addr = PAGE_OFFSET, }; -void ptdump_check_wx(void) +static void ptdump_check_wx_pgd(struct mm_struct *mm, pgd_t *pgd) { struct pg_state st = { .seq = NULL, @@ -364,7 +365,7 @@ void ptdump_check_wx(void) } }; - ptdump_walk_pgd(&st.ptdump, &init_mm, NULL); + ptdump_walk_pgd(&st.ptdump, mm, pgd); if (st.wx_pages || st.uxn_pages) pr_warn("Checked W+X mappings: FAILED, %lu W+X pages found, %lu non-UXN pages found\n", @@ -373,6 +374,18 @@ void ptdump_check_wx(void) pr_info("Checked W+X mappings: passed, no W+X pages found\n"); } +void ptdump_check_wx(void) +{ +#ifdef CONFIG_KERNEL_REPLICATION + int nid; + + for_each_memory_node(nid) + ptdump_check_wx_pgd(&init_mm, per_node_pgd(&init_mm, nid)); +#else + ptdump_check_wx_pgd(&init_mm, init_mm->pgd); +#endif +} + static int __init ptdump_init(void) { address_markers[PAGE_END_NR].start_address = PAGE_END; -- 2.34.1