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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-11-14 07:06:24 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-11-14 07:06:24 -0500 |
| commit | 0586ade9e7f9491ccbe1e00975978cb9c2093006 (patch) | |
| tree | 3dbb536e37d3e86086bd51dcee4bf81041bac087 /lib/objpool.c | |
| parent | 7b541d557f705c7e5bcd874f3b960c8fb8dee562 (diff) | |
| parent | 9899b8201025d00b23aee143594a30c55cc4cc35 (diff) | |
Merge tag 'loongarch-kvm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.13
1. Add iocsr and mmio bus simulation in kernel.
2. Add in-kernel interrupt controller emulation.
3. Add virt extension support for eiointc irqchip.
Diffstat (limited to 'lib/objpool.c')
| -rw-r--r-- | lib/objpool.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/objpool.c b/lib/objpool.c index fd108fe0d095..b998b720c732 100644 --- a/lib/objpool.c +++ b/lib/objpool.c @@ -74,15 +74,21 @@ objpool_init_percpu_slots(struct objpool_head *pool, int nr_objs, * warm caches and TLB hits. in default vmalloc is used to * reduce the pressure of kernel slab system. as we know, * mimimal size of vmalloc is one page since vmalloc would - * always align the requested size to page size + * always align the requested size to page size. + * but if vmalloc fails or it is not available (e.g. GFP_ATOMIC) + * allocate percpu slot with kmalloc. */ - if ((pool->gfp & GFP_ATOMIC) == GFP_ATOMIC) - slot = kmalloc_node(size, pool->gfp, cpu_to_node(i)); - else + slot = NULL; + + if ((pool->gfp & (GFP_ATOMIC | GFP_KERNEL)) != GFP_ATOMIC) slot = __vmalloc_node(size, sizeof(void *), pool->gfp, cpu_to_node(i), __builtin_return_address(0)); - if (!slot) - return -ENOMEM; + + if (!slot) { + slot = kmalloc_node(size, pool->gfp, cpu_to_node(i)); + if (!slot) + return -ENOMEM; + } memset(slot, 0, size); pool->cpu_slots[i] = slot; |