CC: [email protected] CC: [email protected] CC: [email protected] TO: Tian Tao <[email protected]> CC: Nathan Chancellor <[email protected]> CC: Colin Ian King <[email protected]> CC: Vitaly Wool <[email protected]> CC: Andrew Morton <[email protected]> CC: Linux Memory Management List <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 278218f6778bc7d6f8b67199446c56cec7ebb841 commit: fc6697a89f56d9773b2fbff718d4cf2a6d63379d mm/zswap: add the flag can_sleep_mapped date: 10 months ago :::::: branch date: 19 hours ago :::::: commit date: 10 months ago config: x86_64-randconfig-c007-20211227 (https://download.01.org/0day-ci/archive/20220102/[email protected]/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 511726c64d3b6cca66f7c54d457d586aa3129f67) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc6697a89f56d9773b2fbff718d4cf2a6d63379d git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout fc6697a89f56d9773b2fbff718d4cf2a6d63379d # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) ^~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:760:6: note: Assuming 'zswap_init_failed' is false if (zswap_init_failed) { ^~~~~~~~~~~~~~~~~ mm/zswap.c:760:2: note: Taking false branch if (zswap_init_failed) { ^ mm/zswap.c:766:6: note: Assuming the condition is false if (!strcmp(s, *(char **)kp->arg) && zswap_has_pool) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:766:36: note: Left side of '&&' is false if (!strcmp(s, *(char **)kp->arg) && zswap_has_pool) ^ mm/zswap.c:772:6: note: Assuming 'zswap_init_started' is true if (!zswap_init_started) ^~~~~~~~~~~~~~~~~~~ mm/zswap.c:772:2: note: Taking false branch if (!zswap_init_started) ^ mm/zswap.c:775:6: note: Assuming 'type' is null if (!type) { ^~~~~ mm/zswap.c:775:2: note: Taking true branch if (!type) { ^ mm/zswap.c:776:7: note: Assuming the condition is false if (!zpool_has_pool(s)) { ^~~~~~~~~~~~~~~~~~ mm/zswap.c:776:3: note: Taking false branch if (!zpool_has_pool(s)) { ^ mm/zswap.c:795:6: note: Assuming 'pool' is null if (pool) { ^~~~ mm/zswap.c:795:2: note: Taking false branch if (pool) { ^ mm/zswap.c:803:7: note: 'pool' is null if (!pool) ^~~~ mm/zswap.c:803:2: note: Taking true branch if (!pool) ^ mm/zswap.c:804:34: note: Passing null pointer value via 2nd parameter 'compressor' pool = zswap_pool_create(type, compressor); ^~~~~~~~~~ mm/zswap.c:804:10: note: Calling 'zswap_pool_create' pool = zswap_pool_create(type, compressor); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:592:6: note: Assuming 'zswap_has_pool' is true if (!zswap_has_pool) { ^~~~~~~~~~~~~~~ mm/zswap.c:592:2: note: Taking false branch if (!zswap_has_pool) { ^ mm/zswap.c:603:9: note: Calling 'kzalloc' pool = kzalloc(sizeof(*pool), GFP_KERNEL); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h:684:9: note: Calling 'kmalloc' return kmalloc(size, flags | __GFP_ZERO); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h:542:2: note: Taking false branch if (__builtin_constant_p(size)) { ^ include/linux/slab.h:559:2: note: Returning pointer, which participates in a condition later return __kmalloc(size, flags); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h:684:9: note: Returning from 'kmalloc' return kmalloc(size, flags | __GFP_ZERO); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h:684:2: note: Returning pointer, which participates in a condition later return kmalloc(size, flags | __GFP_ZERO); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:603:9: note: Returning from 'kzalloc' pool = kzalloc(sizeof(*pool), GFP_KERNEL); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:604:6: note: Assuming 'pool' is non-null if (!pool) ^~~~~ mm/zswap.c:604:2: note: Taking false branch if (!pool) ^ mm/zswap.c:611:6: note: Assuming field 'zpool' is non-null if (!pool->zpool) { ^~~~~~~~~~~~ mm/zswap.c:611:2: note: Taking false branch if (!pool->zpool) { ^ mm/zswap.c:615:2: note: Taking false branch pr_debug("using %s zpool\n", zpool_get_type(pool->zpool)); ^ include/linux/printk.h:430:2: note: expanded from macro 'pr_debug' no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) ^ include/linux/printk.h:139:2: note: expanded from macro 'no_printk' if (0) \ ^ mm/zswap.c:617:2: note: Null pointer passed as 2nd argument to string copy function strlcpy(pool->tfm_name, compressor, sizeof(pool->tfm_name)); ^ ~~~~~~~~~~ >> mm/zswap.c:991:4: warning: Null pointer passed as 1st argument to memory >> copy function [clang-analyzer-unix.cstring.NullArg] memcpy(tmp, src, entry->length); ^ ~~~ mm/zswap.c:938:12: note: 'tmp' initialized to a null pointer value u8 *src, *tmp = NULL; ^~~ mm/zswap.c:945:6: note: Assuming the condition is false if (!zpool_can_sleep_mapped(pool)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:945:2: note: Taking false branch if (!zpool_can_sleep_mapped(pool)) { ^ mm/zswap.c:959:10: note: Calling 'zswap_entry_find_get' entry = zswap_entry_find_get(&tree->rbroot, offset); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:391:6: note: Assuming 'entry' is non-null, which participates in a condition later if (entry) ^~~~~ mm/zswap.c:391:2: note: Taking true branch if (entry) ^ mm/zswap.c:394:2: note: Returning pointer (loaded from 'entry'), which participates in a condition later return entry; ^~~~~~~~~~~~ mm/zswap.c:959:10: note: Returning from 'zswap_entry_find_get' entry = zswap_entry_find_get(&tree->rbroot, offset); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:960:7: note: 'entry' is non-null if (!entry) { ^~~~~ mm/zswap.c:960:2: note: Taking false branch if (!entry) { ^ mm/zswap.c:968:9: note: Assuming 'offset' is equal to field 'offset' BUG_ON(offset != entry->offset); ^ include/asm-generic/bug.h:63:45: note: expanded from macro 'BUG_ON' #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) ^~~~~~~~~ include/linux/compiler.h:78:42: note: expanded from macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ mm/zswap.c:968:2: note: Taking false branch BUG_ON(offset != entry->offset); ^ include/asm-generic/bug.h:63:32: note: expanded from macro 'BUG_ON' #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) ^ mm/zswap.c:968:2: note: Loop condition is false. Exiting loop BUG_ON(offset != entry->offset); ^ include/asm-generic/bug.h:63:27: note: expanded from macro 'BUG_ON' #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) ^ mm/zswap.c:971:10: note: Calling 'zswap_get_swap_cache_page' switch (zswap_get_swap_cache_page(swpentry, &page)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:908:6: note: Assuming 'page_was_allocated' is true if (page_was_allocated) ^~~~~~~~~~~~~~~~~~ mm/zswap.c:908:2: note: Taking true branch if (page_was_allocated) ^ mm/zswap.c:909:3: note: Returning zero, which participates in a condition later return ZSWAP_SWAPCACHE_NEW; ^~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:971:10: note: Returning from 'zswap_get_swap_cache_page' switch (zswap_get_swap_cache_page(swpentry, &page)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:971:2: note: Control jumps to 'case ZSWAP_SWAPCACHE_NEW:' at line 982 switch (zswap_get_swap_cache_page(swpentry, &page)) { ^ mm/zswap.c:984:15: note: Loop condition is false. Exiting loop acomp_ctx = raw_cpu_ptr(entry->pool->acomp_ctx); ^ include/linux/percpu-defs.h:241:2: note: expanded from macro 'raw_cpu_ptr' __verify_pcpu_ptr(ptr); \ ^ include/linux/percpu-defs.h:217:37: note: expanded from macro '__verify_pcpu_ptr' #define __verify_pcpu_ptr(ptr) \ ^ mm/zswap.c:989:7: note: Assuming the condition is true if (!zpool_can_sleep_mapped(pool)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:989:3: note: Taking true branch if (!zpool_can_sleep_mapped(pool)) { ^ mm/zswap.c:991:4: note: Null pointer passed as 1st argument to memory copy function memcpy(tmp, src, entry->length); ^ ~~~ mm/zswap.c:1296:3: warning: 1st function call argument is an uninitialized value [clang-analyzer-core.CallAndMessage] memcpy(tmp, src, entry->length); ^ ~~~ mm/zswap.c:1257:18: note: 'tmp' declared without an initial value u8 *src, *dst, *tmp; ^~~ mm/zswap.c:1263:10: note: Calling 'zswap_entry_find_get' entry = zswap_entry_find_get(&tree->rbroot, offset); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/zswap.c:391:6: note: Assuming 'entry' is non-null, which participates in a condition later if (entry) vim +991 mm/zswap.c 2b2811178e85553 Seth Jennings 2013-07-10 914 2b2811178e85553 Seth Jennings 2013-07-10 915 /* 2b2811178e85553 Seth Jennings 2013-07-10 916 * Attempts to free an entry by adding a page to the swap cache, 2b2811178e85553 Seth Jennings 2013-07-10 917 * decompressing the entry data into the page, and issuing a 2b2811178e85553 Seth Jennings 2013-07-10 918 * bio write to write the page back to the swap device. 2b2811178e85553 Seth Jennings 2013-07-10 919 * 2b2811178e85553 Seth Jennings 2013-07-10 920 * This can be thought of as a "resumed writeback" of the page 2b2811178e85553 Seth Jennings 2013-07-10 921 * to the swap device. We are basically resuming the same swap 2b2811178e85553 Seth Jennings 2013-07-10 922 * writeback path that was intercepted with the frontswap_store() 2b2811178e85553 Seth Jennings 2013-07-10 923 * in the first place. After the page has been decompressed into 2b2811178e85553 Seth Jennings 2013-07-10 924 * the swap cache, the compressed version stored by zswap can be 2b2811178e85553 Seth Jennings 2013-07-10 925 * freed. 2b2811178e85553 Seth Jennings 2013-07-10 926 */ 12d79d64bfd3913 Dan Streetman 2014-08-06 927 static int zswap_writeback_entry(struct zpool *pool, unsigned long handle) 2b2811178e85553 Seth Jennings 2013-07-10 928 { 2b2811178e85553 Seth Jennings 2013-07-10 929 struct zswap_header *zhdr; 2b2811178e85553 Seth Jennings 2013-07-10 930 swp_entry_t swpentry; 2b2811178e85553 Seth Jennings 2013-07-10 931 struct zswap_tree *tree; 2b2811178e85553 Seth Jennings 2013-07-10 932 pgoff_t offset; 2b2811178e85553 Seth Jennings 2013-07-10 933 struct zswap_entry *entry; 2b2811178e85553 Seth Jennings 2013-07-10 934 struct page *page; 1ec3b5fe6eec782 Barry Song 2020-12-14 935 struct scatterlist input, output; 1ec3b5fe6eec782 Barry Song 2020-12-14 936 struct crypto_acomp_ctx *acomp_ctx; 1ec3b5fe6eec782 Barry Song 2020-12-14 937 fc6697a89f56d97 Tian Tao 2021-02-25 938 u8 *src, *tmp = NULL; 2b2811178e85553 Seth Jennings 2013-07-10 939 unsigned int dlen; 0ab0abcf511545d Weijie Yang 2013-11-12 940 int ret; 2b2811178e85553 Seth Jennings 2013-07-10 941 struct writeback_control wbc = { 2b2811178e85553 Seth Jennings 2013-07-10 942 .sync_mode = WB_SYNC_NONE, 2b2811178e85553 Seth Jennings 2013-07-10 943 }; 2b2811178e85553 Seth Jennings 2013-07-10 944 fc6697a89f56d97 Tian Tao 2021-02-25 945 if (!zpool_can_sleep_mapped(pool)) { fc6697a89f56d97 Tian Tao 2021-02-25 946 tmp = kmalloc(PAGE_SIZE, GFP_ATOMIC); fc6697a89f56d97 Tian Tao 2021-02-25 947 if (!tmp) fc6697a89f56d97 Tian Tao 2021-02-25 948 return -ENOMEM; fc6697a89f56d97 Tian Tao 2021-02-25 949 } fc6697a89f56d97 Tian Tao 2021-02-25 950 2b2811178e85553 Seth Jennings 2013-07-10 951 /* extract swpentry from data */ 12d79d64bfd3913 Dan Streetman 2014-08-06 952 zhdr = zpool_map_handle(pool, handle, ZPOOL_MM_RO); 2b2811178e85553 Seth Jennings 2013-07-10 953 swpentry = zhdr->swpentry; /* here */ 2b2811178e85553 Seth Jennings 2013-07-10 954 tree = zswap_trees[swp_type(swpentry)]; 2b2811178e85553 Seth Jennings 2013-07-10 955 offset = swp_offset(swpentry); 2b2811178e85553 Seth Jennings 2013-07-10 956 2b2811178e85553 Seth Jennings 2013-07-10 957 /* find and ref zswap entry */ 2b2811178e85553 Seth Jennings 2013-07-10 958 spin_lock(&tree->lock); 0ab0abcf511545d Weijie Yang 2013-11-12 959 entry = zswap_entry_find_get(&tree->rbroot, offset); 2b2811178e85553 Seth Jennings 2013-07-10 960 if (!entry) { 2b2811178e85553 Seth Jennings 2013-07-10 961 /* entry was invalidated */ 2b2811178e85553 Seth Jennings 2013-07-10 962 spin_unlock(&tree->lock); 068619e32ff6229 Vitaly Wool 2019-09-23 963 zpool_unmap_handle(pool, handle); fc6697a89f56d97 Tian Tao 2021-02-25 964 kfree(tmp); 2b2811178e85553 Seth Jennings 2013-07-10 965 return 0; 2b2811178e85553 Seth Jennings 2013-07-10 966 } 2b2811178e85553 Seth Jennings 2013-07-10 967 spin_unlock(&tree->lock); 2b2811178e85553 Seth Jennings 2013-07-10 968 BUG_ON(offset != entry->offset); 2b2811178e85553 Seth Jennings 2013-07-10 969 2b2811178e85553 Seth Jennings 2013-07-10 970 /* try to allocate swap cache page */ 2b2811178e85553 Seth Jennings 2013-07-10 971 switch (zswap_get_swap_cache_page(swpentry, &page)) { 67d13fe846c57a5 Weijie Yang 2013-11-12 972 case ZSWAP_SWAPCACHE_FAIL: /* no memory or invalidate happened */ 2b2811178e85553 Seth Jennings 2013-07-10 973 ret = -ENOMEM; 2b2811178e85553 Seth Jennings 2013-07-10 974 goto fail; 2b2811178e85553 Seth Jennings 2013-07-10 975 67d13fe846c57a5 Weijie Yang 2013-11-12 976 case ZSWAP_SWAPCACHE_EXIST: 2b2811178e85553 Seth Jennings 2013-07-10 977 /* page is already in the swap cache, ignore for now */ 09cbfeaf1a5a67b Kirill A. Shutemov 2016-04-01 978 put_page(page); 2b2811178e85553 Seth Jennings 2013-07-10 979 ret = -EEXIST; 2b2811178e85553 Seth Jennings 2013-07-10 980 goto fail; 2b2811178e85553 Seth Jennings 2013-07-10 981 2b2811178e85553 Seth Jennings 2013-07-10 982 case ZSWAP_SWAPCACHE_NEW: /* page is locked */ 2b2811178e85553 Seth Jennings 2013-07-10 983 /* decompress */ 1ec3b5fe6eec782 Barry Song 2020-12-14 984 acomp_ctx = raw_cpu_ptr(entry->pool->acomp_ctx); 1ec3b5fe6eec782 Barry Song 2020-12-14 985 2b2811178e85553 Seth Jennings 2013-07-10 986 dlen = PAGE_SIZE; 068619e32ff6229 Vitaly Wool 2019-09-23 987 src = (u8 *)zhdr + sizeof(struct zswap_header); 1ec3b5fe6eec782 Barry Song 2020-12-14 988 fc6697a89f56d97 Tian Tao 2021-02-25 989 if (!zpool_can_sleep_mapped(pool)) { fc6697a89f56d97 Tian Tao 2021-02-25 990 fc6697a89f56d97 Tian Tao 2021-02-25 @991 memcpy(tmp, src, entry->length); fc6697a89f56d97 Tian Tao 2021-02-25 992 src = tmp; fc6697a89f56d97 Tian Tao 2021-02-25 993 fc6697a89f56d97 Tian Tao 2021-02-25 994 zpool_unmap_handle(pool, handle); fc6697a89f56d97 Tian Tao 2021-02-25 995 } fc6697a89f56d97 Tian Tao 2021-02-25 996 1ec3b5fe6eec782 Barry Song 2020-12-14 997 mutex_lock(acomp_ctx->mutex); 1ec3b5fe6eec782 Barry Song 2020-12-14 998 sg_init_one(&input, src, entry->length); 1ec3b5fe6eec782 Barry Song 2020-12-14 999 sg_init_table(&output, 1); 1ec3b5fe6eec782 Barry Song 2020-12-14 1000 sg_set_page(&output, page, PAGE_SIZE, 0); 1ec3b5fe6eec782 Barry Song 2020-12-14 1001 acomp_request_set_params(acomp_ctx->req, &input, &output, entry->length, dlen); 1ec3b5fe6eec782 Barry Song 2020-12-14 1002 ret = crypto_wait_req(crypto_acomp_decompress(acomp_ctx->req), &acomp_ctx->wait); 1ec3b5fe6eec782 Barry Song 2020-12-14 1003 dlen = acomp_ctx->req->dlen; 1ec3b5fe6eec782 Barry Song 2020-12-14 1004 mutex_unlock(acomp_ctx->mutex); 1ec3b5fe6eec782 Barry Song 2020-12-14 1005 2b2811178e85553 Seth Jennings 2013-07-10 1006 BUG_ON(ret); 2b2811178e85553 Seth Jennings 2013-07-10 1007 BUG_ON(dlen != PAGE_SIZE); 2b2811178e85553 Seth Jennings 2013-07-10 1008 2b2811178e85553 Seth Jennings 2013-07-10 1009 /* page is up to date */ 2b2811178e85553 Seth Jennings 2013-07-10 1010 SetPageUptodate(page); 2b2811178e85553 Seth Jennings 2013-07-10 1011 } 2b2811178e85553 Seth Jennings 2013-07-10 1012 b349acc76b7f654 Weijie Yang 2013-11-12 1013 /* move it to the tail of the inactive list after end_writeback */ b349acc76b7f654 Weijie Yang 2013-11-12 1014 SetPageReclaim(page); b349acc76b7f654 Weijie Yang 2013-11-12 1015 2b2811178e85553 Seth Jennings 2013-07-10 1016 /* start writeback */ 2b2811178e85553 Seth Jennings 2013-07-10 1017 __swap_writepage(page, &wbc, end_swap_bio_write); 09cbfeaf1a5a67b Kirill A. Shutemov 2016-04-01 1018 put_page(page); 2b2811178e85553 Seth Jennings 2013-07-10 1019 zswap_written_back_pages++; 2b2811178e85553 Seth Jennings 2013-07-10 1020 2b2811178e85553 Seth Jennings 2013-07-10 1021 spin_lock(&tree->lock); 2b2811178e85553 Seth Jennings 2013-07-10 1022 /* drop local reference */ 0ab0abcf511545d Weijie Yang 2013-11-12 1023 zswap_entry_put(tree, entry); 2b2811178e85553 Seth Jennings 2013-07-10 1024 2b2811178e85553 Seth Jennings 2013-07-10 1025 /* 0ab0abcf511545d Weijie Yang 2013-11-12 1026 * There are two possible situations for entry here: 0ab0abcf511545d Weijie Yang 2013-11-12 1027 * (1) refcount is 1(normal case), entry is valid and on the tree 0ab0abcf511545d Weijie Yang 2013-11-12 1028 * (2) refcount is 0, entry is freed and not on the tree 0ab0abcf511545d Weijie Yang 2013-11-12 1029 * because invalidate happened during writeback 0ab0abcf511545d Weijie Yang 2013-11-12 1030 * search the tree and free the entry if find entry 2b2811178e85553 Seth Jennings 2013-07-10 1031 */ 0ab0abcf511545d Weijie Yang 2013-11-12 1032 if (entry == zswap_rb_search(&tree->rbroot, offset)) 0ab0abcf511545d Weijie Yang 2013-11-12 1033 zswap_entry_put(tree, entry); 2b2811178e85553 Seth Jennings 2013-07-10 1034 spin_unlock(&tree->lock); 2b2811178e85553 Seth Jennings 2013-07-10 1035 0ab0abcf511545d Weijie Yang 2013-11-12 1036 goto end; 0ab0abcf511545d Weijie Yang 2013-11-12 1037 0ab0abcf511545d Weijie Yang 2013-11-12 1038 /* 0ab0abcf511545d Weijie Yang 2013-11-12 1039 * if we get here due to ZSWAP_SWAPCACHE_EXIST c0c641d77b9ab0d Randy Dunlap 2021-02-25 1040 * a load may be happening concurrently. c0c641d77b9ab0d Randy Dunlap 2021-02-25 1041 * it is safe and okay to not free the entry. 0ab0abcf511545d Weijie Yang 2013-11-12 1042 * if we free the entry in the following put c0c641d77b9ab0d Randy Dunlap 2021-02-25 1043 * it is also okay to return !0 0ab0abcf511545d Weijie Yang 2013-11-12 1044 */ 2b2811178e85553 Seth Jennings 2013-07-10 1045 fail: 2b2811178e85553 Seth Jennings 2013-07-10 1046 spin_lock(&tree->lock); 0ab0abcf511545d Weijie Yang 2013-11-12 1047 zswap_entry_put(tree, entry); 2b2811178e85553 Seth Jennings 2013-07-10 1048 spin_unlock(&tree->lock); 0ab0abcf511545d Weijie Yang 2013-11-12 1049 0ab0abcf511545d Weijie Yang 2013-11-12 1050 end: fc6697a89f56d97 Tian Tao 2021-02-25 1051 if (zpool_can_sleep_mapped(pool)) 068619e32ff6229 Vitaly Wool 2019-09-23 1052 zpool_unmap_handle(pool, handle); fc6697a89f56d97 Tian Tao 2021-02-25 1053 else fc6697a89f56d97 Tian Tao 2021-02-25 1054 kfree(tmp); fc6697a89f56d97 Tian Tao 2021-02-25 1055 2b2811178e85553 Seth Jennings 2013-07-10 1056 return ret; 2b2811178e85553 Seth Jennings 2013-07-10 1057 } 2b2811178e85553 Seth Jennings 2013-07-10 1058 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
