diff options
| author | SoumishDas <soumish.das@gmail.com> | 2025-03-25 23:43:25 +0530 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-05-11 17:48:14 -0700 |
| commit | f4d1c32489117c9d38206a673d880d23d7d3bb8a (patch) | |
| tree | 7c3db074dd1f424d872f8903a501b479ce5ce1e4 /mm/memory.c | |
| parent | ec9827cd28b13b88517812eb08b13d0ed97ae8f1 (diff) | |
mm: add kernel-doc comment for free_pgd_range()
Provide kernel-doc for free_pgd_range() so it's easier to understand what
the function does and how it is used.
Link: https://lkml.kernel.org/r/20250325181325.5774-1-soumish.das@gmail.com
Signed-off-by: SoumishDas <soumish.das@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c index 86e7e66e3c5b..f41fac7118ba 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -278,8 +278,17 @@ static inline void free_p4d_range(struct mmu_gather *tlb, pgd_t *pgd, p4d_free_tlb(tlb, p4d, start); } -/* - * This function frees user-level page tables of a process. +/** + * free_pgd_range - Unmap and free page tables in the range + * @tlb: the mmu_gather containing pending TLB flush info + * @addr: virtual address start + * @end: virtual address end + * @floor: lowest address boundary + * @ceiling: highest address boundary + * + * This function tears down all user-level page tables in the + * specified virtual address range [@addr..@end). It is part of + * the memory unmap flow. */ void free_pgd_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, |