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mdbx: add xyz_ceil2ag_xyz(), i.e. ceiling to system allocation granularity.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2025-08-30 10:42:03 +03:00
parent 41abfffeb3
commit 26d5ef6b2d
2 changed files with 28 additions and 0 deletions
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21
src/cogs.c
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@@ -78,6 +78,10 @@ MDBX_NOTHROW_PURE_FUNCTION size_t bytes_ceil2sp_bytes(const MDBX_env *env, size_
return ceil_powerof2(bytes, (env->ps > globals.sys_pagesize) ? env->ps : globals.sys_pagesize);
}
MDBX_MAYBE_UNUSED MDBX_NOTHROW_PURE_FUNCTION size_t bytes_ceil2sp_pgno(const MDBX_env *env, size_t bytes) {
return bytes2pgno(env, bytes_ceil2sp_bytes(env, bytes));
}
MDBX_NOTHROW_PURE_FUNCTION size_t pgno_ceil2sp_bytes(const MDBX_env *env, size_t pgno) {
return ceil_powerof2(pgno2bytes(env, pgno), globals.sys_pagesize);
}
@@ -86,6 +90,23 @@ MDBX_NOTHROW_PURE_FUNCTION pgno_t pgno_ceil2sp_pgno(const MDBX_env *env, size_t
return bytes2pgno(env, pgno_ceil2sp_bytes(env, pgno));
}
MDBX_MAYBE_UNUSED MDBX_NOTHROW_PURE_FUNCTION size_t bytes_ceil2ag_bytes(const MDBX_env *env, size_t bytes) {
return ceil_powerof2(bytes,
(env->ps > globals.sys_allocation_granularity) ? env->ps : globals.sys_allocation_granularity);
}
MDBX_MAYBE_UNUSED MDBX_NOTHROW_PURE_FUNCTION size_t bytes_ceil2ag_pgno(const MDBX_env *env, size_t bytes) {
return bytes2pgno(env, bytes_ceil2ag_bytes(env, bytes));
}
MDBX_MAYBE_UNUSED MDBX_NOTHROW_PURE_FUNCTION size_t pgno_ceil2ag_bytes(const MDBX_env *env, size_t pgno) {
return ceil_powerof2(pgno2bytes(env, pgno), globals.sys_allocation_granularity);
}
MDBX_MAYBE_UNUSED MDBX_NOTHROW_PURE_FUNCTION pgno_t pgno_ceil2ag_pgno(const MDBX_env *env, size_t pgno) {
return bytes2pgno(env, pgno_ceil2ag_bytes(env, pgno));
}
/*----------------------------------------------------------------------------*/
MDBX_NOTHROW_PURE_FUNCTION static __always_inline int cmp_int_inline(const size_t expected_alignment, const MDBX_val *a,

7
src/cogs.h
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@@ -222,9 +222,16 @@ MDBX_NOTHROW_PURE_FUNCTION static inline pgno_t bytes2pgno(const MDBX_env *env,
/* align to system page size */
MDBX_NOTHROW_PURE_FUNCTION MDBX_INTERNAL size_t bytes_ceil2sp_bytes(const MDBX_env *env, size_t bytes);
MDBX_NOTHROW_PURE_FUNCTION MDBX_INTERNAL size_t bytes_ceil2sp_pgno(const MDBX_env *env, size_t bytes);
MDBX_NOTHROW_PURE_FUNCTION MDBX_INTERNAL size_t pgno_ceil2sp_bytes(const MDBX_env *env, size_t pgno);
MDBX_NOTHROW_PURE_FUNCTION MDBX_INTERNAL pgno_t pgno_ceil2sp_pgno(const MDBX_env *env, size_t pgno);
/* align to system allocation granularity */
MDBX_NOTHROW_PURE_FUNCTION MDBX_INTERNAL size_t bytes_ceil2ag_bytes(const MDBX_env *env, size_t bytes);
MDBX_NOTHROW_PURE_FUNCTION MDBX_INTERNAL size_t bytes_ceil2ag_pgno(const MDBX_env *env, size_t bytes);
MDBX_NOTHROW_PURE_FUNCTION MDBX_INTERNAL size_t pgno_ceil2ag_bytes(const MDBX_env *env, size_t pgno);
MDBX_NOTHROW_PURE_FUNCTION MDBX_INTERNAL pgno_t pgno_ceil2ag_pgno(const MDBX_env *env, size_t pgno);
MDBX_NOTHROW_PURE_FUNCTION static inline pgno_t largechunk_npages(const MDBX_env *env, size_t bytes) {
return bytes2pgno(env, PAGEHDRSZ - 1 + bytes) + 1;
}