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riscv: better CTR messages in pmap_enter_l2()

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Disambiguate the failure cases.

Reviewed by:	jhb
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D36562
This commit is contained in:
Mitchell Horne 2022-08-25 17:08:41 -03:00
parent 344986ff4c
commit dd18b62cec
1 changed files with 6 additions and 6 deletions
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12
sys/riscv/riscv/pmap.c
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@ -3172,8 +3172,8 @@ pmap_enter_l2(pmap_t pmap, vm_offset_t va, pd_entry_t new_l2, u_int flags,
if ((l2pg = pmap_alloc_l2(pmap, va, (flags & PMAP_ENTER_NOSLEEP) != 0 ?
NULL : lockp)) == NULL) {
CTR2(KTR_PMAP, "pmap_enter_l2: failure for va %#lx in pmap %p",
va, pmap);
CTR2(KTR_PMAP, "pmap_enter_l2: failed to allocate PT page"
" for va %#lx in pmap %p", va, pmap);
return (KERN_RESOURCE_SHORTAGE);
}
@ -3185,8 +3185,8 @@ pmap_enter_l2(pmap_t pmap, vm_offset_t va, pd_entry_t new_l2, u_int flags,
if ((flags & PMAP_ENTER_NOREPLACE) != 0) {
l2pg->ref_count--;
CTR2(KTR_PMAP,
"pmap_enter_l2: failure for va %#lx in pmap %p",
va, pmap);
"pmap_enter_l2: failed to replace existing mapping"
" for va %#lx in pmap %p", va, pmap);
return (KERN_FAILURE);
}
SLIST_INIT(&free);
@ -3232,8 +3232,8 @@ pmap_enter_l2(pmap_t pmap, vm_offset_t va, pd_entry_t new_l2, u_int flags,
vm_page_free_pages_toq(&free, true);
}
CTR2(KTR_PMAP,
"pmap_enter_l2: failure for va %#lx in pmap %p",
va, pmap);
"pmap_enter_l2: failed to create PV entry"
" for va %#lx in pmap %p", va, pmap);
return (KERN_RESOURCE_SHORTAGE);
}
if ((new_l2 & PTE_W) != 0)