git: 957c5a9a4dda - stable/13 - Fix unused variable warning in mmu_radix.c
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Date: Sun, 21 Aug 2022 11:29:12 UTC
The branch stable/13 has been updated by dim: URL: https://cgit.FreeBSD.org/src/commit/?id=957c5a9a4dda013ca8775922b24fb6ab0e418f77 commit 957c5a9a4dda013ca8775922b24fb6ab0e418f77 Author: Dimitry Andric <dim@FreeBSD.org> AuthorDate: 2022-08-15 18:42:51 +0000 Commit: Dimitry Andric <dim@FreeBSD.org> CommitDate: 2022-08-21 11:13:32 +0000 Fix unused variable warning in mmu_radix.c With clang 15, the following -Werror warning is produced: sys/powerpc/aim/mmu_radix.c:5409:22: error: variable 'freed' set but not used [-Werror,-Wunused-but-set-variable] int allfree, field, freed, idx; ^ The 'freed' variable is only used when PV_STATS is defined. Ensure it is only declared and set in that case. MFC after: 3 days (cherry picked from commit 3446738e8deb6d475f88ca16fbb7b11473d17010) --- sys/powerpc/aim/mmu_radix.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/sys/powerpc/aim/mmu_radix.c b/sys/powerpc/aim/mmu_radix.c index b9311e999588..097cc4be23dc 100644 --- a/sys/powerpc/aim/mmu_radix.c +++ b/sys/powerpc/aim/mmu_radix.c @@ -5369,7 +5369,10 @@ mmu_radix_remove_pages(pmap_t pmap) struct rwlock *lock; int64_t bit; uint64_t inuse, bitmask; - int allfree, field, freed, idx; + int allfree, field, idx; +#ifdef PV_STATS + int freed; +#endif boolean_t superpage; vm_paddr_t pa; @@ -5388,7 +5391,9 @@ mmu_radix_remove_pages(pmap_t pmap) PMAP_LOCK(pmap); TAILQ_FOREACH_SAFE(pc, &pmap->pm_pvchunk, pc_list, npc) { allfree = 1; +#ifdef PV_STATS freed = 0; +#endif for (field = 0; field < _NPCM; field++) { inuse = ~pc->pc_map[field] & pc_freemask[field]; while (inuse != 0) { @@ -5505,7 +5510,9 @@ mmu_radix_remove_pages(pmap_t pmap) } } pmap_unuse_pt(pmap, pv->pv_va, ptel3e, &free); +#ifdef PV_STATS freed++; +#endif } } PV_STAT(atomic_add_long(&pv_entry_frees, freed));