diff options
| author | D Scott Phillips <scottph@FreeBSD.org> | 2020-09-21 22:20:37 +0000 |
|---|---|---|
| committer | D Scott Phillips <scottph@FreeBSD.org> | 2020-09-21 22:20:37 +0000 |
| commit | ab041f713aeccdf23b4805ffb71815c8d4aa9c88 (patch) | |
| tree | 5eac5e6ee8c19209a3b421f8f4377eb19f1489c0 /sys/vm/vm_page.c | |
| parent | a9cf0eebb37c0ad5c3811e5e40d6730916a20767 (diff) | |
Notes
Diffstat (limited to 'sys/vm/vm_page.c')
| -rw-r--r-- | sys/vm/vm_page.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index e120c0d29099..140711a00227 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -155,6 +155,9 @@ vm_page_t vm_page_array; long vm_page_array_size; long first_page; +struct bitset *vm_page_dump; +long vm_page_dump_pages; + static TAILQ_HEAD(, vm_page) blacklist_head; static int sysctl_vm_page_blacklist(SYSCTL_HANDLER_ARGS); SYSCTL_PROC(_vm, OID_AUTO, page_blacklist, CTLTYPE_STRING | CTLFLAG_RD | @@ -554,6 +557,9 @@ vm_page_startup(vm_offset_t vaddr) vm_paddr_t page_range __unused; vm_paddr_t last_pa, pa; u_long pagecount; +#if MINIDUMP_PAGE_TRACKING + u_long vm_page_dump_size; +#endif int biggestone, i, segind; #ifdef WITNESS vm_offset_t mapped; @@ -588,9 +594,7 @@ vm_page_startup(vm_offset_t vaddr) witness_startup((void *)mapped); #endif -#if defined(__aarch64__) || defined(__amd64__) || defined(__arm__) || \ - defined(__i386__) || defined(__mips__) || defined(__riscv) || \ - defined(__powerpc64__) +#if MINIDUMP_PAGE_TRACKING /* * Allocate a bitmap to indicate that a random physical page * needs to be included in a minidump. @@ -606,8 +610,8 @@ vm_page_startup(vm_offset_t vaddr) for (i = 0; dump_avail[i + 1] != 0; i += 2) if (dump_avail[i + 1] > last_pa) last_pa = dump_avail[i + 1]; - page_range = last_pa / PAGE_SIZE; - vm_page_dump_size = round_page(roundup2(page_range, NBBY) / NBBY); + vm_page_dump_pages = last_pa / PAGE_SIZE; + vm_page_dump_size = round_page(BITSET_SIZE(vm_page_dump_pages)); new_end -= vm_page_dump_size; vm_page_dump = (void *)(uintptr_t)pmap_map(&vaddr, new_end, new_end + vm_page_dump_size, VM_PROT_READ | VM_PROT_WRITE); |