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

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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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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;
}