Acknowledged On Fri, Aug 1, 2025 at 8:56 PM Liu Kui <kui....@virtuozzo.com> wrote: > > Address large memory allocation failure by replacing kcalloc with > kvcalloc. This allows fallback to vmalloc for large allocations, > as virtually contiguous meomory is sufficient here, improving > reliability in highly fragmented systems > > Related to: #VSTOR-112413 > https://virtuozzo.atlassian.net/browse/VSTOR-112413 > > Signed-off-by: Liu Kui <kui....@virtuozzo.com> > --- > fs/fuse/kio/pcs/pcs_mr.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/fs/fuse/kio/pcs/pcs_mr.c b/fs/fuse/kio/pcs/pcs_mr.c > index cbd3b440dd1b..28e04d1b2639 100644 > --- a/fs/fuse/kio/pcs/pcs_mr.c > +++ b/fs/fuse/kio/pcs/pcs_mr.c > @@ -17,7 +17,7 @@ void pcs_umem_release(struct pcs_umem *umem) > unpin_user_pages(umem->pages, umem->npages); > atomic64_sub(umem->npages, &mm_s->pinned_vm); > mmdrop(mm_s); > - kfree(umem->pages); > + kvfree(umem->pages); > kfree(umem); > } > > @@ -48,7 +48,7 @@ struct pcs_umem *pcs_umem_get(u64 start, u64 len) > mmap_read_lock(mm_s); > > umem->fp_addr = fp_va; > - umem->pages = kcalloc(npages, sizeof(struct page *), GFP_KERNEL); > + umem->pages = kvcalloc(npages, sizeof(struct page *), GFP_KERNEL); > if (!umem->pages) { > ret = -ENOMEM; > goto out_err; > -- > 2.39.5 (Apple Git-154)
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