diff options
| -rw-r--r-- | mm/swap_slots.c | 19 | ||||
| -rw-r--r-- | mm/swap_state.c | 2 | ||||
| -rw-r--r-- | mm/swapfile.c | 10 |
3 files changed, 18 insertions, 13 deletions
diff --git a/mm/swap_slots.c b/mm/swap_slots.c index aa1c415..58f6c78 100644 --- a/mm/swap_slots.c +++ b/mm/swap_slots.c @@ -31,6 +31,7 @@ #include <linux/cpumask.h> #include <linux/vmalloc.h> #include <linux/mutex.h> +#include <linux/mm.h> #ifdef CONFIG_SWAP @@ -119,16 +120,18 @@ static int alloc_swap_slot_cache(unsigned int cpu) /* * Do allocation outside swap_slots_cache_mutex - * as vzalloc could trigger reclaim and get_swap_page, + * as kvzalloc could trigger reclaim and get_swap_page, * which can lock swap_slots_cache_mutex. */ - slots = vzalloc(sizeof(swp_entry_t) * SWAP_SLOTS_CACHE_SIZE); + slots = kvzalloc(sizeof(swp_entry_t) * SWAP_SLOTS_CACHE_SIZE, + GFP_KERNEL); if (!slots) return -ENOMEM; - slots_ret = vzalloc(sizeof(swp_entry_t) * SWAP_SLOTS_CACHE_SIZE); + slots_ret = kvzalloc(sizeof(swp_entry_t) * SWAP_SLOTS_CACHE_SIZE, + GFP_KERNEL); if (!slots_ret) { - vfree(slots); + kvfree(slots); return -ENOMEM; } @@ -152,9 +155,9 @@ static int alloc_swap_slot_cache(unsigned int cpu) out: mutex_unlock(&swap_slots_cache_mutex); if (slots) - vfree(slots); + kvfree(slots); if (slots_ret) - vfree(slots_ret); + kvfree(slots_ret); return 0; } @@ -171,7 +174,7 @@ static void drain_slots_cache_cpu(unsigned int cpu, unsigned int type, cache->cur = 0; cache->nr = 0; if (free_slots && cache->slots) { - vfree(cache->slots); + kvfree(cache->slots); cache->slots = NULL; } mutex_unlock(&cache->alloc_lock); @@ -186,7 +189,7 @@ static void drain_slots_cache_cpu(unsigned int cpu, unsigned int type, } spin_unlock_irq(&cache->free_lock); if (slots) - vfree(slots); + kvfree(slots); } } diff --git a/mm/swap_state.c b/mm/swap_state.c index 7bfb9bd..539b888 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -523,7 +523,7 @@ int init_swap_address_space(unsigned int type, unsigned long nr_pages) unsigned int i, nr; nr = DIV_ROUND_UP(nr_pages, SWAP_ADDRESS_SPACE_PAGES); - spaces = vzalloc(sizeof(struct address_space) * nr); + spaces = kvzalloc(sizeof(struct address_space) * nr, GFP_KERNEL); if (!spaces) return -ENOMEM; for (i = 0; i < nr; i++) { diff --git a/mm/swapfile.c b/mm/swapfile.c index b86b2aca..4f6cba1 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2270,8 +2270,8 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) free_percpu(p->percpu_cluster); p->percpu_cluster = NULL; vfree(swap_map); - vfree(cluster_info); - vfree(frontswap_map); + kvfree(cluster_info); + kvfree(frontswap_map); /* Destroy swap account information */ swap_cgroup_swapoff(p->type); exit_swap_address_space(p->type); @@ -2794,7 +2794,8 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) p->cluster_next = 1 + (prandom_u32() % p->highest_bit); nr_cluster = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER); - cluster_info = vzalloc(nr_cluster * sizeof(*cluster_info)); + cluster_info = kvzalloc(nr_cluster * sizeof(*cluster_info), + GFP_KERNEL); if (!cluster_info) { error = -ENOMEM; goto bad_swap; @@ -2827,7 +2828,8 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) } /* frontswap enabled? set up bit-per-page map for frontswap */ if (IS_ENABLED(CONFIG_FRONTSWAP)) - frontswap_map = vzalloc(BITS_TO_LONGS(maxpages) * sizeof(long)); + frontswap_map = kvzalloc(BITS_TO_LONGS(maxpages) * sizeof(long), + GFP_KERNEL); if (p->bdev &&(swap_flags & SWAP_FLAG_DISCARD) && swap_discardable(p)) { /* |
