Re: [kbuild-all] Re: fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function 'get_victim_by_default'
dirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :186:1: note: expanded from here __do_outsb ^ arch/powerpc/include/asm/io.h:544:58: note: expanded from macro '__do_outsb' #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:13: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :188:1: note: expanded from here __do_outsw ^ arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw' #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:13: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :190:1: note: expanded from here __do_outsl ^ arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl' #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~^ fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function 'get_victim_by_default' [-Wframe-larger-than=] static int get_victim_by_default(struct f2fs_sb_info *sbi, ^ 13 warnings generated. vim +/get_victim_by_default +622 fs/f2fs/gc.c 093749e296e29a4 Chao Yu 2020-08-04 613 0a8165d7c2cf139 Jaegeuk Kim 2012-11-29 614 /* 111d2495a8a8fbd Masanari Iida 2013-03-19 615 * This function is called from two paths. 7bc0900347e069a Jaegeuk Kim 2012-11-02 616 * One is garbage collection and the other is SSR segment selection. 7bc0900347e069a Jaegeuk Kim 2012-11-02 617 * When it is called during GC, it just gets a victim segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 618 * and it does not remove it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 619 * When it is called from SSR segment selection, it finds a segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 620 * which has minimum valid blocks and removes it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 621 */ 7bc0900347e069a Jaegeuk Kim 2012-11-02 @622 static int get_victim_by_default(struct f2fs_sb_info *sbi, 093749e296e29a4 Chao Yu 2020-08-04 623 unsigned int *result, int gc_type, int type, 093749e296e29a4 Chao Yu 2020-08-04 624 char alloc_mode, unsigned long long age) 7bc0900347e069a Jaegeuk Kim 2012-11-02 625 { 7bc0900347e069a Jaegeuk Kim
Re: fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function 'get_victim_by_default'
long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :186:1: note: expanded from here __do_outsb ^ arch/powerpc/include/asm/io.h:544:58: note: expanded from macro '__do_outsb' #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:13: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :188:1: note: expanded from here __do_outsw ^ arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw' #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:13: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :190:1: note: expanded from here __do_outsl ^ arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl' #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~^ fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function 'get_victim_by_default' [-Wframe-larger-than=] static int get_victim_by_default(struct f2fs_sb_info *sbi, ^ 13 warnings generated. vim +/get_victim_by_default +622 fs/f2fs/gc.c 093749e296e29a4 Chao Yu 2020-08-04 613 0a8165d7c2cf139 Jaegeuk Kim 2012-11-29 614 /* 111d2495a8a8fbd Masanari Iida 2013-03-19 615 * This function is called from two paths. 7bc0900347e069a Jaegeuk Kim 2012-11-02 616 * One is garbage collection and the other is SSR segment selection. 7bc0900347e069a Jaegeuk Kim 2012-11-02 617 * When it is called during GC, it just gets a victim segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 618 * and it does not remove it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 619 * When it is called from SSR segment selection, it finds a segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 620 * which has minimum valid blocks and removes it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 621 */ 7bc0900347e069a Jaegeuk Kim 2012-11-02 @622 static int get_victim_by_default(struct f2fs_sb_info *sbi, 093749e296e29a4 Chao Yu 2020-08-04 623 unsigned int *result, int gc_type, int type, 093749e296e29a4 Chao Yu 2020-08-04 624 char alloc_mode, unsigned long long age) 7bc0900347e069a Jaegeuk Kim 2012-11-02 625 { 7bc0900347e069a Jaegeuk Kim 2012-11-02 626 struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); e066b83c9b40f3a Jaegeuk Kim 2017-04-13 627 struct sit_info *sm = SIT_I(sbi); 7bc0900347e069a Jaegeuk Kim 2012-11-02 628 struct victim_sel_policy p; 3fa565039e3338f Sheng Yong2016-09-29 629 unsigned int secno, last_victim; 04f0b2eaa3b3ee2 Qiuyang Sun 2019-06-05 630 unsigned int last_s
fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function 'get_victim_by_default'
m.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :188:1: note: expanded from here __do_outsw ^ arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw' #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:13: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :190:1: note: expanded from here __do_outsl ^ arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl' #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~^ >> fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function >> 'get_victim_by_default' [-Wframe-larger-than=] static int get_victim_by_default(struct f2fs_sb_info *sbi, ^ 13 warnings generated. vim +/get_victim_by_default +622 fs/f2fs/gc.c 093749e296e29a4 Chao Yu 2020-08-04 613 0a8165d7c2cf139 Jaegeuk Kim 2012-11-29 614 /* 111d2495a8a8fbd Masanari Iida 2013-03-19 615 * This function is called from two paths. 7bc0900347e069a Jaegeuk Kim 2012-11-02 616 * One is garbage collection and the other is SSR segment selection. 7bc0900347e069a Jaegeuk Kim 2012-11-02 617 * When it is called during GC, it just gets a victim segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 618 * and it does not remove it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 619 * When it is called from SSR segment selection, it finds a segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 620 * which has minimum valid blocks and removes it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 621 */ 7bc0900347e069a Jaegeuk Kim 2012-11-02 @622 static int get_victim_by_default(struct f2fs_sb_info *sbi, 093749e296e29a4 Chao Yu 2020-08-04 623 unsigned int *result, int gc_type, int type, 093749e296e29a4 Chao Yu 2020-08-04 624 char alloc_mode, unsigned long long age) 7bc0900347e069a Jaegeuk Kim 2012-11-02 625 { 7bc0900347e069a Jaegeuk Kim 2012-11-02 626 struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); e066b83c9b40f3a Jaegeuk Kim 2017-04-13 627 struct sit_info *sm = SIT_I(sbi); 7bc0900347e069a Jaegeuk Kim 2012-11-02 628 struct victim_sel_policy p; 3fa565039e3338f Sheng Yong2016-09-29 629 unsigned int secno, last_victim; 04f0b2eaa3b3ee2 Qiuyang Sun 2019-06-05 630 unsigned int last_segment; 093749e296e29a4 Chao Yu 2020-08-04 631 unsigned int nsearched; 093749e296e29a4 Chao Yu 2020-08-04 632 bool is_atgc; 97767500781fae9 Qilong Zhang 2020-06-28 633 int ret = 0; 7bc0900347e069a Jaegeuk Kim 2012-11-02 634 210f41bc048263d Chao Yu 2014-09-15 635 mutex_lock(_i->seglist_lock); 04f0b2eaa3b3ee2 Qiuyang Sun 2019-06-05 636 last_segment = MAIN_SECS(sbi) * sbi->segs_per_sec; 210f41bc048263d Chao Yu 2014-09-15 637 7bc0900347e069a Jaegeuk Kim 2012-11-02 638 p.alloc_mode = alloc_mode; 093749e296e29a4 Chao Yu 2020-08-04 639 p.age = age; 093749e296e29a4 Chao Yu 2020-08-04 640 p.age_threshold = sbi->am.age_threshold; 7bc0900347e069a Jaegeuk Kim 2012-11-02 641 093749e296e29
Re: fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function 'get_victim_by_default'
Hello, I tried -Wframe-larger-than=512 in x86_64, and only below two functions exceed the frame size threshold, will check powerpc64 later. namei.c: In function ‘f2fs_update_extension_list’: namei.c:276:1: warning: the frame size of 560 bytes is larger than 512 bytes [-Wframe-larger-than=] node.c: In function ‘f2fs_destroy_node_manager’: node.c:3271:1: warning: the frame size of 792 bytes is larger than 512 bytes [-Wframe-larger-than=] Does this issue only occur in powerpc64? do you have results in other archs? On 2020/12/30 2:45, kernel test robot wrote: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dea8dcf2a9fa8cc540136a6cd885c3beece16ec3 commit: 093749e296e29a4b0162eb925a6701a01e8c9a98 f2fs: support age threshold based garbage collection date: 4 months ago config: powerpc64-randconfig-r023-20201221 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45) 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 # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=093749e296e29a4b0162eb925a6701a01e8c9a98 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 093749e296e29a4b0162eb925a6701a01e8c9a98 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function 'get_victim_by_default' [-Wframe-larger-than=] static int get_victim_by_default(struct f2fs_sb_info *sbi, ^ 1 warning generated. vim +/get_victim_by_default +622 fs/f2fs/gc.c 093749e296e29a4 Chao Yu 2020-08-04 613 0a8165d7c2cf139 Jaegeuk Kim 2012-11-29 614 /* 111d2495a8a8fbd Masanari Iida 2013-03-19 615 * This function is called from two paths. 7bc0900347e069a Jaegeuk Kim 2012-11-02 616 * One is garbage collection and the other is SSR segment selection. 7bc0900347e069a Jaegeuk Kim 2012-11-02 617 * When it is called during GC, it just gets a victim segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 618 * and it does not remove it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 619 * When it is called from SSR segment selection, it finds a segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 620 * which has minimum valid blocks and removes it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 621 */ 7bc0900347e069a Jaegeuk Kim 2012-11-02 @622 static int get_victim_by_default(struct f2fs_sb_info *sbi, 093749e296e29a4 Chao Yu 2020-08-04 623 unsigned int *result, int gc_type, int type, 093749e296e29a4 Chao Yu 2020-08-04 624 char alloc_mode, unsigned long long age) 7bc0900347e069a Jaegeuk Kim 2012-11-02 625 { 7bc0900347e069a Jaegeuk Kim 2012-11-02 626 struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); e066b83c9b40f3a Jaegeuk Kim 2017-04-13 627 struct sit_info *sm = SIT_I(sbi); 7bc0900347e069a Jaegeuk Kim 2012-11-02 628 struct victim_sel_policy p; 3fa565039e3338f Sheng Yong2016-09-29 629 unsigned int secno, last_victim; 04f0b2eaa3b3ee2 Qiuyang Sun 2019-06-05 630 unsigned int last_segment; 093749e296e29a4 Chao Yu 2020-08-04 631 unsigned int nsearched; 093749e296e29a4 Chao Yu 2020-08-04 632 bool is_atgc; 97767500781fae9 Qilong Zhang 2020-06-28 633 int ret = 0; 7bc0900347e069a Jaegeuk Kim 2012-11-02 634 210f41bc048263d Chao Yu 2014-09-15 635 mutex_lock(_i->seglist_lock); 04f0b2eaa3b3ee2 Qiuyang Sun 2019-06-05 636 last_segment = MAIN_SECS(sbi) * sbi->segs_per_sec; 210f41bc048263d Chao Yu 2014-09-15 637 7bc0900347e069a Jaegeuk Kim 2012-11-02 638 p.alloc_mode = alloc_mode; 093749e296e29a4 Chao Yu 2020-08-04 639 p.age = age; 093749e296e29a4 Chao Yu 2020-08-04 640 p.age_threshold = sbi->am.age_threshold; 7bc0900347e069a Jaegeuk Kim 2012-11-02 641 093749e296e29a4 Chao Yu 2020-08-04 642 retry: 093749e296e29a4 Chao Yu 2020-08-04 643 select_policy(sbi, gc_type, type, ); 7bc0900347e069a Jaegeuk Kim 2012-11-02 644 p.min_segno = NULL_SEGNO; 093749e296e29a4 Chao Yu 2020-08-04 645 p.oldest_age = 0; 3fa565039e3338f Sheng Yong2016-09-29 646 p.min_cost = get_max_cost(sbi, ); 7bc0900347e069a Jaegeuk Kim 2012-11-02 647 093749e296e29a4 Chao Yu 2020-08-04 648 is_atgc = (p.g
fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function 'get_victim_by_default'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dea8dcf2a9fa8cc540136a6cd885c3beece16ec3 commit: 093749e296e29a4b0162eb925a6701a01e8c9a98 f2fs: support age threshold based garbage collection date: 4 months ago config: powerpc64-randconfig-r023-20201221 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45) 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 # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=093749e296e29a4b0162eb925a6701a01e8c9a98 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 093749e296e29a4b0162eb925a6701a01e8c9a98 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> fs/f2fs/gc.c:622:12: warning: stack frame size of 3056 bytes in function >> 'get_victim_by_default' [-Wframe-larger-than=] static int get_victim_by_default(struct f2fs_sb_info *sbi, ^ 1 warning generated. vim +/get_victim_by_default +622 fs/f2fs/gc.c 093749e296e29a4 Chao Yu 2020-08-04 613 0a8165d7c2cf139 Jaegeuk Kim 2012-11-29 614 /* 111d2495a8a8fbd Masanari Iida 2013-03-19 615 * This function is called from two paths. 7bc0900347e069a Jaegeuk Kim 2012-11-02 616 * One is garbage collection and the other is SSR segment selection. 7bc0900347e069a Jaegeuk Kim 2012-11-02 617 * When it is called during GC, it just gets a victim segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 618 * and it does not remove it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 619 * When it is called from SSR segment selection, it finds a segment 7bc0900347e069a Jaegeuk Kim 2012-11-02 620 * which has minimum valid blocks and removes it from dirty seglist. 7bc0900347e069a Jaegeuk Kim 2012-11-02 621 */ 7bc0900347e069a Jaegeuk Kim 2012-11-02 @622 static int get_victim_by_default(struct f2fs_sb_info *sbi, 093749e296e29a4 Chao Yu 2020-08-04 623 unsigned int *result, int gc_type, int type, 093749e296e29a4 Chao Yu 2020-08-04 624 char alloc_mode, unsigned long long age) 7bc0900347e069a Jaegeuk Kim 2012-11-02 625 { 7bc0900347e069a Jaegeuk Kim 2012-11-02 626 struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); e066b83c9b40f3a Jaegeuk Kim 2017-04-13 627 struct sit_info *sm = SIT_I(sbi); 7bc0900347e069a Jaegeuk Kim 2012-11-02 628 struct victim_sel_policy p; 3fa565039e3338f Sheng Yong2016-09-29 629 unsigned int secno, last_victim; 04f0b2eaa3b3ee2 Qiuyang Sun 2019-06-05 630 unsigned int last_segment; 093749e296e29a4 Chao Yu 2020-08-04 631 unsigned int nsearched; 093749e296e29a4 Chao Yu 2020-08-04 632 bool is_atgc; 97767500781fae9 Qilong Zhang 2020-06-28 633 int ret = 0; 7bc0900347e069a Jaegeuk Kim 2012-11-02 634 210f41bc048263d Chao Yu 2014-09-15 635 mutex_lock(_i->seglist_lock); 04f0b2eaa3b3ee2 Qiuyang Sun 2019-06-05 636 last_segment = MAIN_SECS(sbi) * sbi->segs_per_sec; 210f41bc048263d Chao Yu 2014-09-15 637 7bc0900347e069a Jaegeuk Kim 2012-11-02 638 p.alloc_mode = alloc_mode; 093749e296e29a4 Chao Yu 2020-08-04 639 p.age = age; 093749e296e29a4 Chao Yu 2020-08-04 640 p.age_threshold = sbi->am.age_threshold; 7bc0900347e069a Jaegeuk Kim 2012-11-02 641 093749e296e29a4 Chao Yu 2020-08-04 642 retry: 093749e296e29a4 Chao Yu 2020-08-04 643 select_policy(sbi, gc_type, type, ); 7bc0900347e069a Jaegeuk Kim 2012-11-02 644 p.min_segno = NULL_SEGNO; 093749e296e29a4 Chao Yu 2020-08-04 645 p.oldest_age = 0; 3fa565039e3338f Sheng Yong2016-09-29 646 p.min_cost = get_max_cost(sbi, ); 7bc0900347e069a Jaegeuk Kim 2012-11-02 647 093749e296e29a4 Chao Yu 2020-08-04 648 is_atgc = (p.gc_mode == GC_AT || p.alloc_mode == AT_SSR); 093749e296e29a4 Chao Yu 2020-08-04 649 nsearched = 0; 093749e296e29a4 Chao Yu 2020-08-04 650 093749e296e29a4 Chao Yu 2020-08-04 651 if (is_atgc) 093749e296e29a4 Chao Yu 2020-08-04 652 SIT_I(sbi)->dirty_min_mtime = ULLONG_MAX; 093749e296e29a4 Chao Yu 2020-08-04 653 e066b83c9b40f3a Jaegeuk Kim 2017-04-13 654 if (*result != NULL_SEGNO) { 97767500781fae9 Qilong Zhang 2020-06-28 655 if (!get_valid_blocks(sbi, *result, false)) { 9776750078