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Squeeze more performance out of memory manager

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Justine Tunney 2024-07-08 03:08:42 -07:00
parent 63065cdd70
commit 76cea6c687
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GPG key ID: BE714B4575D6E328
4 changed files with 18 additions and 29 deletions
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5
libc/intrin/mprotect.c
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@ -74,10 +74,9 @@ int __mprotect(char *addr, size_t size, int prot) {
__maps_unlock();
return edeadlk();
}
struct Map *map, *ceil, *floor;
struct Map *map, *floor;
floor = __maps_floor(addr);
ceil = __maps_ceil(addr + size);
for (map = floor; map && map != ceil; map = __maps_next(map)) {
for (map = floor; map && map->addr <= addr + size; map = __maps_next(map)) {
char *map_addr = map->addr;
size_t map_size = map->size;
char *beg = MAX(addr, map_addr);