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mdbx: drop P_KEEP flag and use LRU-label insted of.

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Related to https://github.com/erthink/libmdbx/issues/186

Change-Id: Ifd3bd2533b40525dd5b0aa05df421c87462c2439
This commit is contained in:
Leonid Yuriev
2021-04-27 19:23:20 +03:00
parent 975413b48d
commit 6134220b8a
3 changed files with 60 additions and 73 deletions
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7
src/internals.h
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@@ -547,13 +547,12 @@ typedef struct MDBX_page {
#define P_LEAF 0x02 /* leaf page */
#define P_OVERFLOW 0x04 /* overflow page */
#define P_META 0x08 /* meta page */
#define P_SPILLED 0x10 /* spilled in parent txn */
#define P_BAD 0x10 /* explicit flag for invalid/bad page */
#define P_LEAF2 0x20 /* for MDBX_DUPFIXED records */
#define P_SUBP 0x40 /* for MDBX_DUPSORT sub-pages */
#define P_BAD 0x80 /* explicit flag for invalid/bad page */
#define P_SPILLED 0x2000 /* spilled in parent txn */
#define P_LOOSE 0x4000 /* page was dirtied then freed, can be reused */
#define P_KEEP 0x8000 /* leave this page alone during spill */
#define P_FROZEN 0x10000 /* used for retire page with known status */
#define P_FROZEN 0x8000 /* used for retire page with known status */
#define P_ILL_BITS (~(P_BRANCH | P_LEAF | P_LEAF2 | P_OVERFLOW | P_SPILLED))
uint16_t mp_flags;
union {