The branch main has been updated by dim: URL: https://cgit.FreeBSD.org/src/commit/?id=7a1f289bd2949e5867c7f0396c35f02f179dc8bd
commit 7a1f289bd2949e5867c7f0396c35f02f179dc8bd Author: Dimitry Andric <[email protected]> AuthorDate: 2022-07-26 19:53:08 +0000 Commit: Dimitry Andric <[email protected]> CommitDate: 2022-07-26 20:08:10 +0000 Fix unused variable warning in amd64's pmap.c With clang 15, the following -Werror warning is produced: sys/amd64/amd64/pmap.c:8274:22: error: variable 'freed' set but not used [-Werror,-Wunused-but-set-variable] int allfree, field, freed, i, 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 --- sys/amd64/amd64/pmap.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index f35a8c4c789c..893774357629 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -8271,7 +8271,10 @@ pmap_remove_pages(pmap_t pmap) struct rwlock *lock; int64_t bit; uint64_t inuse, bitmask; - int allfree, field, freed, i, idx; + int allfree, field, i, idx; +#ifdef PV_STATS + int freed; +#endif boolean_t superpage; vm_paddr_t pa; @@ -8305,7 +8308,9 @@ pmap_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) { @@ -8426,7 +8431,9 @@ pmap_remove_pages(pmap_t pmap) } } pmap_unuse_pt(pmap, pv->pv_va, ptepde, &free); +#ifdef PV_STATS freed++; +#endif } } PV_STAT(counter_u64_add(pv_entry_frees, freed));
