git: 75e67b4920f2 - main - powerpc64: support superpages on pmap_mincore
Leandro Lupori
luporl at FreeBSD.org
Tue Mar 30 19:13:17 UTC 2021
The branch main has been updated by luporl:
URL: https://cgit.FreeBSD.org/src/commit/?id=75e67b4920f2d70b98bd1383966d17d541b7c46c
commit 75e67b4920f2d70b98bd1383966d17d541b7c46c
Author: Leandro Lupori <luporl at FreeBSD.org>
AuthorDate: 2021-03-30 18:54:01 +0000
Commit: Leandro Lupori <luporl at FreeBSD.org>
CommitDate: 2021-03-30 18:54:01 +0000
powerpc64: support superpages on pmap_mincore
Now that superpages for HPT MMU has landed, finish implementation of
pmap_mincore by adding support for superpages.
Submitted by: Fernando Eckhardt Valle <fernando.valle at eldorado.org.br>
Reviewed by: bdragon, luporl
MFC after: 1 week
Sponsored by: Eldorado Research Institute (eldorado.org.br)
Differential Revision: https://reviews.freebsd.org/D29230
---
sys/powerpc/aim/mmu_oea64.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/sys/powerpc/aim/mmu_oea64.c b/sys/powerpc/aim/mmu_oea64.c
index 1aa05501bd1b..0e9b15661758 100644
--- a/sys/powerpc/aim/mmu_oea64.c
+++ b/sys/powerpc/aim/mmu_oea64.c
@@ -1400,13 +1400,15 @@ moea64_mincore(pmap_t pmap, vm_offset_t addr, vm_paddr_t *pap)
PMAP_LOCK(pmap);
- /* XXX Add support for superpages */
pvo = moea64_pvo_find_va(pmap, addr);
if (pvo != NULL) {
pa = PVO_PADDR(pvo);
m = PHYS_TO_VM_PAGE(pa);
managed = (pvo->pvo_vaddr & PVO_MANAGED) == PVO_MANAGED;
- val = MINCORE_INCORE;
+ if (PVO_IS_SP(pvo))
+ val = MINCORE_INCORE | MINCORE_PSIND(1);
+ else
+ val = MINCORE_INCORE;
} else {
PMAP_UNLOCK(pmap);
return (0);
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