Reworked on mmap address alignments for a performance regression (#2057)

2024-11-22 22:20:08 +00:00 · 2024-11-22 19:06:55 +08:00 · 2024-11-22 19:06:55 +08:00 · 52ba725fa5
commit 52ba725fa5
parent a39249454e
1 changed files with 2 additions and 3 deletions
--- a/src/wrapped/wrappedlibc.c
+++ b/src/wrapped/wrappedlibc.c
@ -2994,10 +2994,9 @@ EXPORT void* my_mmap64(x64emu_t* emu, void *addr, size_t length, int prot, int f
    new_flags&=~MAP_32BIT;   // remove MAP_32BIT
    if((flags&MAP_32BIT) && !(flags&MAP_FIXED)) {
        // MAP_32BIT only exist on x86_64!
-        if(!(flags&MAP_FIXED) && (!old_addr || !isBlockFree(old_addr, length)))
-            addr = find31bitBlockNearHint(old_addr, length, 0);
+        addr = find31bitBlockNearHint(old_addr, length, 0);
    } else if (box64_wine || 1) {   // other mmap should be restricted to 47bits
-        if(!(flags&MAP_FIXED) && (!addr || !isBlockFree(addr, length)))
+        if (!(flags&MAP_FIXED) && !addr)
            addr = find47bitBlock(length);
    }
    #endif