Commit f4d1c324 authored by SoumishDas's avatar SoumishDas Committed by Andrew Morton
Browse files

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: default avatarSoumishDas <soumish.das@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent ec9827cd

mm/memory.c

+11 −2
Original line number Diff line number Diff line
@@ -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,