From: kernel test robot <lkp@intel.com>
To: Ackerley Tng <ackerleytng@google.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Isaku Yamahata <isaku.yamahata@intel.com>
Subject: [intel-tdx:kvm-upstream-workaround 349/365] mm/hugetlb.c:6843: warning: expecting prototype for Reserves pages between vma indices @from and @to by handling accounting in(). Prototype was for hugetlb_reserve_pages() instead
Date: Sun, 16 Jul 2023 10:49:38 +0800 [thread overview]
Message-ID: <202307161004.GyQulszL-lkp@intel.com> (raw)
tree: https://github.com/intel/tdx.git kvm-upstream-workaround
head: da8c3aa0cbb638a0dff13401bc17f817272110e6
commit: c8c40c9db949fdf0d8844aaf62ddd4a02febdb42 [349/365] mm: hugetlb: Decouple hstate, subpool from inode
config: riscv-randconfig-r042-20230716 (https://download.01.org/0day-ci/archive/20230716/202307161004.GyQulszL-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230716/202307161004.GyQulszL-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307161004.GyQulszL-lkp@intel.com/
All warnings (new ones prefixed by >>):
mm/hugetlb.c:6843: warning: Function parameter or member 'h' not described in 'hugetlb_reserve_pages'
mm/hugetlb.c:6843: warning: Function parameter or member 'spool' not described in 'hugetlb_reserve_pages'
mm/hugetlb.c:6843: warning: Function parameter or member 'inode' not described in 'hugetlb_reserve_pages'
mm/hugetlb.c:6843: warning: Function parameter or member 'from' not described in 'hugetlb_reserve_pages'
mm/hugetlb.c:6843: warning: Function parameter or member 'to' not described in 'hugetlb_reserve_pages'
mm/hugetlb.c:6843: warning: Function parameter or member 'vma' not described in 'hugetlb_reserve_pages'
mm/hugetlb.c:6843: warning: Function parameter or member 'vm_flags' not described in 'hugetlb_reserve_pages'
>> mm/hugetlb.c:6843: warning: expecting prototype for Reserves pages between vma indices @from and @to by handling accounting in(). Prototype was for hugetlb_reserve_pages() instead
>> mm/hugetlb.c:6996: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Unreserves pages between vma indices @start and @end by handling accounting
--
>> fs/hugetlbfs/inode.c:554: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Remove folio from page_cache and userspace mappings. Also unreserves pages,
vim +6843 mm/hugetlb.c
8f860591ffb297 Zhang, Yanmin 2006-03-22 6828
c8c40c9db949fd Ackerley Tng 2023-06-06 6829 /**
c8c40c9db949fd Ackerley Tng 2023-06-06 6830 * Reserves pages between vma indices @from and @to by handling accounting in:
c8c40c9db949fd Ackerley Tng 2023-06-06 6831 * + hstate @h (required)
c8c40c9db949fd Ackerley Tng 2023-06-06 6832 * + subpool @spool (can be NULL)
c8c40c9db949fd Ackerley Tng 2023-06-06 6833 * + @inode (required if @vma is NULL)
c8c40c9db949fd Ackerley Tng 2023-06-06 6834 *
c8c40c9db949fd Ackerley Tng 2023-06-06 6835 * Will setup resv_map in @vma if necessary.
c8c40c9db949fd Ackerley Tng 2023-06-06 6836 * Return true if reservation was successful, false otherwise.
c8c40c9db949fd Ackerley Tng 2023-06-06 6837 */
c8c40c9db949fd Ackerley Tng 2023-06-06 6838 bool hugetlb_reserve_pages(struct hstate *h, struct hugepage_subpool *spool,
c8c40c9db949fd Ackerley Tng 2023-06-06 6839 struct inode *inode,
a1e78772d72b26 Mel Gorman 2008-07-23 6840 long from, long to,
5a6fe125950676 Mel Gorman 2009-02-10 6841 struct vm_area_struct *vma,
ca16d140af91fe KOSAKI Motohiro 2011-05-26 6842 vm_flags_t vm_flags)
e4e574b767ba63 Adam Litke 2007-10-16 @6843 {
c5094ec79cbe48 Mike Kravetz 2022-12-16 6844 long chg = -1, add = -1;
9119a41e9091fb Joonsoo Kim 2014-04-03 6845 struct resv_map *resv_map;
075a61d07a8eca Mina Almasry 2020-04-01 6846 struct hugetlb_cgroup *h_cg = NULL;
0db9d74ed8845a Mina Almasry 2020-04-01 6847 long gbl_reserve, regions_needed = 0;
e4e574b767ba63 Adam Litke 2007-10-16 6848
63489f8e821144 Mike Kravetz 2018-03-22 6849 /* This should never happen */
63489f8e821144 Mike Kravetz 2018-03-22 6850 if (from > to) {
63489f8e821144 Mike Kravetz 2018-03-22 6851 VM_WARN(1, "%s called with a negative range\n", __func__);
33b8f84a4ee784 Mike Kravetz 2021-02-24 6852 return false;
63489f8e821144 Mike Kravetz 2018-03-22 6853 }
63489f8e821144 Mike Kravetz 2018-03-22 6854
8d9bfb2608145c Mike Kravetz 2022-09-14 6855 /*
e700898fa075c6 Mike Kravetz 2022-12-12 6856 * vma specific semaphore used for pmd sharing and fault/truncation
e700898fa075c6 Mike Kravetz 2022-12-12 6857 * synchronization
8d9bfb2608145c Mike Kravetz 2022-09-14 6858 */
8d9bfb2608145c Mike Kravetz 2022-09-14 6859 hugetlb_vma_lock_alloc(vma);
8d9bfb2608145c Mike Kravetz 2022-09-14 6860
17c9d12e126cb0 Mel Gorman 2009-02-11 6861 /*
17c9d12e126cb0 Mel Gorman 2009-02-11 6862 * Only apply hugepage reservation if asked. At fault time, an
17c9d12e126cb0 Mel Gorman 2009-02-11 6863 * attempt will be made for VM_NORESERVE to allocate a page
90481622d75715 David Gibson 2012-03-21 6864 * without using reserves
17c9d12e126cb0 Mel Gorman 2009-02-11 6865 */
ca16d140af91fe KOSAKI Motohiro 2011-05-26 6866 if (vm_flags & VM_NORESERVE)
33b8f84a4ee784 Mike Kravetz 2021-02-24 6867 return true;
17c9d12e126cb0 Mel Gorman 2009-02-11 6868
a1e78772d72b26 Mel Gorman 2008-07-23 6869 /*
a1e78772d72b26 Mel Gorman 2008-07-23 6870 * Shared mappings base their reservation on the number of pages that
a1e78772d72b26 Mel Gorman 2008-07-23 6871 * are already allocated on behalf of the file. Private mappings need
a1e78772d72b26 Mel Gorman 2008-07-23 6872 * to reserve the full area even if read-only as mprotect() may be
a1e78772d72b26 Mel Gorman 2008-07-23 6873 * called to make the mapping read-write. Assume !vma is a shm mapping
a1e78772d72b26 Mel Gorman 2008-07-23 6874 */
9119a41e9091fb Joonsoo Kim 2014-04-03 6875 if (!vma || vma->vm_flags & VM_MAYSHARE) {
f27a5136f70a8c Mike Kravetz 2019-05-13 6876 /*
f27a5136f70a8c Mike Kravetz 2019-05-13 6877 * resv_map can not be NULL as hugetlb_reserve_pages is only
f27a5136f70a8c Mike Kravetz 2019-05-13 6878 * called for inodes for which resv_maps were created (see
f27a5136f70a8c Mike Kravetz 2019-05-13 6879 * hugetlbfs_get_inode).
f27a5136f70a8c Mike Kravetz 2019-05-13 6880 */
4e35f483850ba4 Joonsoo Kim 2014-04-03 6881 resv_map = inode_resv_map(inode);
9119a41e9091fb Joonsoo Kim 2014-04-03 6882
0db9d74ed8845a Mina Almasry 2020-04-01 6883 chg = region_chg(resv_map, from, to, ®ions_needed);
9119a41e9091fb Joonsoo Kim 2014-04-03 6884 } else {
e9fe92ae0cd28a Mina Almasry 2020-04-01 6885 /* Private mapping. */
9119a41e9091fb Joonsoo Kim 2014-04-03 6886 resv_map = resv_map_alloc();
17c9d12e126cb0 Mel Gorman 2009-02-11 6887 if (!resv_map)
8d9bfb2608145c Mike Kravetz 2022-09-14 6888 goto out_err;
17c9d12e126cb0 Mel Gorman 2009-02-11 6889
a1e78772d72b26 Mel Gorman 2008-07-23 6890 chg = to - from;
84afd99b8398c9 Andy Whitcroft 2008-07-23 6891
17c9d12e126cb0 Mel Gorman 2009-02-11 6892 set_vma_resv_map(vma, resv_map);
17c9d12e126cb0 Mel Gorman 2009-02-11 6893 set_vma_resv_flags(vma, HPAGE_RESV_OWNER);
17c9d12e126cb0 Mel Gorman 2009-02-11 6894 }
17c9d12e126cb0 Mel Gorman 2009-02-11 6895
33b8f84a4ee784 Mike Kravetz 2021-02-24 6896 if (chg < 0)
c50ac050811d64 Dave Hansen 2012-05-29 6897 goto out_err;
075a61d07a8eca Mina Almasry 2020-04-01 6898
33b8f84a4ee784 Mike Kravetz 2021-02-24 6899 if (hugetlb_cgroup_charge_cgroup_rsvd(hstate_index(h),
33b8f84a4ee784 Mike Kravetz 2021-02-24 6900 chg * pages_per_huge_page(h), &h_cg) < 0)
075a61d07a8eca Mina Almasry 2020-04-01 6901 goto out_err;
075a61d07a8eca Mina Almasry 2020-04-01 6902
075a61d07a8eca Mina Almasry 2020-04-01 6903 if (vma && !(vma->vm_flags & VM_MAYSHARE) && h_cg) {
075a61d07a8eca Mina Almasry 2020-04-01 6904 /* For private mappings, the hugetlb_cgroup uncharge info hangs
075a61d07a8eca Mina Almasry 2020-04-01 6905 * of the resv_map.
075a61d07a8eca Mina Almasry 2020-04-01 6906 */
075a61d07a8eca Mina Almasry 2020-04-01 6907 resv_map_set_hugetlb_cgroup_uncharge_info(resv_map, h_cg, h);
075a61d07a8eca Mina Almasry 2020-04-01 6908 }
075a61d07a8eca Mina Almasry 2020-04-01 6909
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 6910 /*
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 6911 * There must be enough pages in the subpool for the mapping. If
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 6912 * the subpool has a minimum size, there may be some global
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 6913 * reservations already in place (gbl_reserve).
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 6914 */
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 6915 gbl_reserve = hugepage_subpool_get_pages(spool, chg);
33b8f84a4ee784 Mike Kravetz 2021-02-24 6916 if (gbl_reserve < 0)
075a61d07a8eca Mina Almasry 2020-04-01 6917 goto out_uncharge_cgroup;
5a6fe125950676 Mel Gorman 2009-02-10 6918
5a6fe125950676 Mel Gorman 2009-02-10 6919 /*
17c9d12e126cb0 Mel Gorman 2009-02-11 6920 * Check enough hugepages are available for the reservation.
90481622d75715 David Gibson 2012-03-21 6921 * Hand the pages back to the subpool if there are not
5a6fe125950676 Mel Gorman 2009-02-10 6922 */
33b8f84a4ee784 Mike Kravetz 2021-02-24 6923 if (hugetlb_acct_memory(h, gbl_reserve) < 0)
075a61d07a8eca Mina Almasry 2020-04-01 6924 goto out_put_pages;
17c9d12e126cb0 Mel Gorman 2009-02-11 6925
17c9d12e126cb0 Mel Gorman 2009-02-11 6926 /*
17c9d12e126cb0 Mel Gorman 2009-02-11 6927 * Account for the reservations made. Shared mappings record regions
17c9d12e126cb0 Mel Gorman 2009-02-11 6928 * that have reservations as they are shared by multiple VMAs.
17c9d12e126cb0 Mel Gorman 2009-02-11 6929 * When the last VMA disappears, the region map says how much
17c9d12e126cb0 Mel Gorman 2009-02-11 6930 * the reservation was and the page cache tells how much of
17c9d12e126cb0 Mel Gorman 2009-02-11 6931 * the reservation was consumed. Private mappings are per-VMA and
17c9d12e126cb0 Mel Gorman 2009-02-11 6932 * only the consumed reservations are tracked. When the VMA
17c9d12e126cb0 Mel Gorman 2009-02-11 6933 * disappears, the original reservation is the VMA size and the
17c9d12e126cb0 Mel Gorman 2009-02-11 6934 * consumed reservations are stored in the map. Hence, nothing
17c9d12e126cb0 Mel Gorman 2009-02-11 6935 * else has to be done for private mappings here
17c9d12e126cb0 Mel Gorman 2009-02-11 6936 */
33039678c8da81 Mike Kravetz 2015-06-24 6937 if (!vma || vma->vm_flags & VM_MAYSHARE) {
075a61d07a8eca Mina Almasry 2020-04-01 6938 add = region_add(resv_map, from, to, regions_needed, h, h_cg);
33039678c8da81 Mike Kravetz 2015-06-24 6939
0db9d74ed8845a Mina Almasry 2020-04-01 6940 if (unlikely(add < 0)) {
0db9d74ed8845a Mina Almasry 2020-04-01 6941 hugetlb_acct_memory(h, -gbl_reserve);
075a61d07a8eca Mina Almasry 2020-04-01 6942 goto out_put_pages;
0db9d74ed8845a Mina Almasry 2020-04-01 6943 } else if (unlikely(chg > add)) {
33039678c8da81 Mike Kravetz 2015-06-24 6944 /*
33039678c8da81 Mike Kravetz 2015-06-24 6945 * pages in this range were added to the reserve
33039678c8da81 Mike Kravetz 2015-06-24 6946 * map between region_chg and region_add. This
d0ce0e47b323a8 Sidhartha Kumar 2023-01-25 6947 * indicates a race with alloc_hugetlb_folio. Adjust
33039678c8da81 Mike Kravetz 2015-06-24 6948 * the subpool and reserve counts modified above
33039678c8da81 Mike Kravetz 2015-06-24 6949 * based on the difference.
33039678c8da81 Mike Kravetz 2015-06-24 6950 */
33039678c8da81 Mike Kravetz 2015-06-24 6951 long rsv_adjust;
33039678c8da81 Mike Kravetz 2015-06-24 6952
d85aecf2844ff0 Miaohe Lin 2021-03-24 6953 /*
d85aecf2844ff0 Miaohe Lin 2021-03-24 6954 * hugetlb_cgroup_uncharge_cgroup_rsvd() will put the
d85aecf2844ff0 Miaohe Lin 2021-03-24 6955 * reference to h_cg->css. See comment below for detail.
d85aecf2844ff0 Miaohe Lin 2021-03-24 6956 */
075a61d07a8eca Mina Almasry 2020-04-01 6957 hugetlb_cgroup_uncharge_cgroup_rsvd(
075a61d07a8eca Mina Almasry 2020-04-01 6958 hstate_index(h),
075a61d07a8eca Mina Almasry 2020-04-01 6959 (chg - add) * pages_per_huge_page(h), h_cg);
075a61d07a8eca Mina Almasry 2020-04-01 6960
33039678c8da81 Mike Kravetz 2015-06-24 6961 rsv_adjust = hugepage_subpool_put_pages(spool,
33039678c8da81 Mike Kravetz 2015-06-24 6962 chg - add);
33039678c8da81 Mike Kravetz 2015-06-24 6963 hugetlb_acct_memory(h, -rsv_adjust);
d85aecf2844ff0 Miaohe Lin 2021-03-24 6964 } else if (h_cg) {
d85aecf2844ff0 Miaohe Lin 2021-03-24 6965 /*
d85aecf2844ff0 Miaohe Lin 2021-03-24 6966 * The file_regions will hold their own reference to
d85aecf2844ff0 Miaohe Lin 2021-03-24 6967 * h_cg->css. So we should release the reference held
d85aecf2844ff0 Miaohe Lin 2021-03-24 6968 * via hugetlb_cgroup_charge_cgroup_rsvd() when we are
d85aecf2844ff0 Miaohe Lin 2021-03-24 6969 * done.
d85aecf2844ff0 Miaohe Lin 2021-03-24 6970 */
d85aecf2844ff0 Miaohe Lin 2021-03-24 6971 hugetlb_cgroup_put_rsvd_cgroup(h_cg);
33039678c8da81 Mike Kravetz 2015-06-24 6972 }
33039678c8da81 Mike Kravetz 2015-06-24 6973 }
33b8f84a4ee784 Mike Kravetz 2021-02-24 6974 return true;
33b8f84a4ee784 Mike Kravetz 2021-02-24 6975
075a61d07a8eca Mina Almasry 2020-04-01 6976 out_put_pages:
075a61d07a8eca Mina Almasry 2020-04-01 6977 /* put back original number of pages, chg */
075a61d07a8eca Mina Almasry 2020-04-01 6978 (void)hugepage_subpool_put_pages(spool, chg);
075a61d07a8eca Mina Almasry 2020-04-01 6979 out_uncharge_cgroup:
075a61d07a8eca Mina Almasry 2020-04-01 6980 hugetlb_cgroup_uncharge_cgroup_rsvd(hstate_index(h),
075a61d07a8eca Mina Almasry 2020-04-01 6981 chg * pages_per_huge_page(h), h_cg);
c50ac050811d64 Dave Hansen 2012-05-29 6982 out_err:
8d9bfb2608145c Mike Kravetz 2022-09-14 6983 hugetlb_vma_lock_free(vma);
5e9113731a3ce6 Mike Kravetz 2015-09-08 6984 if (!vma || vma->vm_flags & VM_MAYSHARE)
0db9d74ed8845a Mina Almasry 2020-04-01 6985 /* Only call region_abort if the region_chg succeeded but the
0db9d74ed8845a Mina Almasry 2020-04-01 6986 * region_add failed or didn't run.
0db9d74ed8845a Mina Almasry 2020-04-01 6987 */
0db9d74ed8845a Mina Almasry 2020-04-01 6988 if (chg >= 0 && add < 0)
0db9d74ed8845a Mina Almasry 2020-04-01 6989 region_abort(resv_map, from, to, regions_needed);
f031dd274ccb70 Joonsoo Kim 2014-04-03 6990 if (vma && is_vma_resv_set(vma, HPAGE_RESV_OWNER))
f031dd274ccb70 Joonsoo Kim 2014-04-03 6991 kref_put(&resv_map->refs, resv_map_release);
33b8f84a4ee784 Mike Kravetz 2021-02-24 6992 return false;
a43a8c39bbb493 Kenneth W Chen 2006-06-23 6993 }
a43a8c39bbb493 Kenneth W Chen 2006-06-23 6994
c8c40c9db949fd Ackerley Tng 2023-06-06 6995 /**
c8c40c9db949fd Ackerley Tng 2023-06-06 @6996 * Unreserves pages between vma indices @start and @end by handling accounting
c8c40c9db949fd Ackerley Tng 2023-06-06 6997 * in:
c8c40c9db949fd Ackerley Tng 2023-06-06 6998 * + hstate @h (required)
c8c40c9db949fd Ackerley Tng 2023-06-06 6999 * + subpool @spool (can be NULL)
c8c40c9db949fd Ackerley Tng 2023-06-06 7000 * + @inode (required)
c8c40c9db949fd Ackerley Tng 2023-06-06 7001 * + resv_map in @inode (can be NULL)
c8c40c9db949fd Ackerley Tng 2023-06-06 7002 *
c8c40c9db949fd Ackerley Tng 2023-06-06 7003 * @freed is the number of pages freed, for updating inode->i_blocks.
c8c40c9db949fd Ackerley Tng 2023-06-06 7004 *
c8c40c9db949fd Ackerley Tng 2023-06-06 7005 * Returns 0 on success.
c8c40c9db949fd Ackerley Tng 2023-06-06 7006 */
c8c40c9db949fd Ackerley Tng 2023-06-06 7007 long hugetlb_unreserve_pages(struct hstate *h, struct hugepage_subpool *spool,
c8c40c9db949fd Ackerley Tng 2023-06-06 7008 struct inode *inode, long start, long end, long freed)
a43a8c39bbb493 Kenneth W Chen 2006-06-23 7009 {
4e35f483850ba4 Joonsoo Kim 2014-04-03 7010 struct resv_map *resv_map = inode_resv_map(inode);
9119a41e9091fb Joonsoo Kim 2014-04-03 7011 long chg = 0;
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 7012 long gbl_reserve;
45c682a68a8725 Ken Chen 2007-11-14 7013
f27a5136f70a8c Mike Kravetz 2019-05-13 7014 /*
f27a5136f70a8c Mike Kravetz 2019-05-13 7015 * Since this routine can be called in the evict inode path for all
f27a5136f70a8c Mike Kravetz 2019-05-13 7016 * hugetlbfs inodes, resv_map could be NULL.
f27a5136f70a8c Mike Kravetz 2019-05-13 7017 */
b5cec28d36f5ee Mike Kravetz 2015-09-08 7018 if (resv_map) {
b5cec28d36f5ee Mike Kravetz 2015-09-08 7019 chg = region_del(resv_map, start, end);
b5cec28d36f5ee Mike Kravetz 2015-09-08 7020 /*
b5cec28d36f5ee Mike Kravetz 2015-09-08 7021 * region_del() can fail in the rare case where a region
b5cec28d36f5ee Mike Kravetz 2015-09-08 7022 * must be split and another region descriptor can not be
b5cec28d36f5ee Mike Kravetz 2015-09-08 7023 * allocated. If end == LONG_MAX, it will not fail.
b5cec28d36f5ee Mike Kravetz 2015-09-08 7024 */
b5cec28d36f5ee Mike Kravetz 2015-09-08 7025 if (chg < 0)
b5cec28d36f5ee Mike Kravetz 2015-09-08 7026 return chg;
b5cec28d36f5ee Mike Kravetz 2015-09-08 7027 }
b5cec28d36f5ee Mike Kravetz 2015-09-08 7028
45c682a68a8725 Ken Chen 2007-11-14 7029 spin_lock(&inode->i_lock);
e4c6f8bed01f9f Eric Sandeen 2009-07-29 7030 inode->i_blocks -= (blocks_per_huge_page(h) * freed);
45c682a68a8725 Ken Chen 2007-11-14 7031 spin_unlock(&inode->i_lock);
45c682a68a8725 Ken Chen 2007-11-14 7032
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 7033 /*
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 7034 * If the subpool has a minimum size, the number of global
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 7035 * reservations to be released may be adjusted.
dddf31a49a0eb8 Miaohe Lin 2021-05-04 7036 *
dddf31a49a0eb8 Miaohe Lin 2021-05-04 7037 * Note that !resv_map implies freed == 0. So (chg - freed)
dddf31a49a0eb8 Miaohe Lin 2021-05-04 7038 * won't go negative.
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 7039 */
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 7040 gbl_reserve = hugepage_subpool_put_pages(spool, (chg - freed));
1c5ecae3a93fa1 Mike Kravetz 2015-04-15 7041 hugetlb_acct_memory(h, -gbl_reserve);
b5cec28d36f5ee Mike Kravetz 2015-09-08 7042
b5cec28d36f5ee Mike Kravetz 2015-09-08 7043 return 0;
a43a8c39bbb493 Kenneth W Chen 2006-06-23 7044 }
93f70f900da36f Naoya Horiguchi 2010-05-28 7045
:::::: The code at line 6843 was first introduced by commit
:::::: e4e574b767ba63101cfda2b42d72f38546319297 hugetlb: Try to grow hugetlb pool for MAP_SHARED mappings
:::::: TO: Adam Litke <agl@us.ibm.com>
:::::: CC: Linus Torvalds <torvalds@woody.linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2023-07-16 2:49 kernel test robot [this message]
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2023-07-16 2:28 [intel-tdx:kvm-upstream-workaround 349/365] mm/hugetlb.c:6843: warning: expecting prototype for Reserves pages between vma indices @from and @to by handling accounting in(). Prototype was for hugetlb_reserve_pages() instead kernel test robot
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