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hpdata: Return the number of pages to be purged.

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We'll use this in the next commit.
This commit is contained in:
David Goldblatt
2020-12-06 13:16:51 -08:00
committed by David Goldblatt
parent 9fd9c876bb
commit dc886e5608
3 changed files with 13 additions and 5 deletions
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5
include/jemalloc/internal/hpdata.h
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@@ -363,8 +363,11 @@ struct hpdata_purge_state_s {
* Once you begin purging, you have to follow through and call hpdata_purge_next
* until you're done, and then end. Allocating out of an hpdata undergoing
* purging is not allowed.
*
* Returns the number of pages that will be purged.
*/
void hpdata_purge_begin(hpdata_t *hpdata, hpdata_purge_state_t *purge_state);
size_t hpdata_purge_begin(hpdata_t *hpdata, hpdata_purge_state_t *purge_state);
/*
* If there are more extents to purge, sets *r_purge_addr and *r_purge_size to
* true, and returns true. Otherwise, returns false to indicate that we're