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swap_pager: update meta_free comment

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Clarify the comment that introduces swp_page_meta_free.

Reviewed by:	markj, alc
Differential Revision:	https://reviews.freebsd.org/D46754
This commit is contained in:
Doug Moore 2024-09-23 13:27:54 -05:00
parent 940fec94b5
commit f1aaef47a0
1 changed files with 3 additions and 6 deletions
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9
sys/vm/swap_pager.c
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@ -2264,12 +2264,9 @@ swp_pager_meta_transfer(vm_object_t srcobject, vm_object_t dstobject,
/*
* SWP_PAGER_META_FREE() - free a range of blocks in the object's swap metadata
*
* The requested range of blocks is freed, with any associated swap
* returned to the swap bitmap.
*
* This routine will free swap metadata structures as they are cleaned
* out. This routine does *NOT* operate on swap metadata associated
* with resident pages.
* Return freed swap blocks to the swap bitmap, and free emptied swblk
* metadata. With 'freed' set, provide a count of freed blocks that were
* not associated with valid resident pages.
*/
static void
swp_pager_meta_free(vm_object_t object, vm_pindex_t pindex, vm_pindex_t count,