diff options
Diffstat (limited to 'malloc.c')
| -rw-r--r-- | malloc.c | 16 |
1 files changed, 2 insertions, 14 deletions
@@ -197,14 +197,7 @@ #define MIN_BUC_POW2 (sizeof(void*) > 4 ? 3 : 2) /* Allow for 4-byte arena. */ #define MIN_BUCKET (MIN_BUC_POW2 * BUCKETS_PER_POW2) -#if !(defined(I286)) - /* take 2k unless the block is bigger than that */ -# define LOG_OF_MIN_ARENA 11 -#else - /* take 16k unless the block is bigger than that - (80286s like large segments!), probably good on the atari too */ -# define LOG_OF_MIN_ARENA 14 -#endif +#define LOG_OF_MIN_ARENA 11 #if defined(DEBUGGING) && !defined(NO_RCHECK) # define RCHECK @@ -376,8 +369,7 @@ */ #define u_short unsigned short -/* 286 likes big chunks, which gives too much overhead. */ -#if (defined(RCHECK) || defined(I286)) && defined(PACK_MALLOC) +#if defined(RCHECK) && defined(PACK_MALLOC) # undef PACK_MALLOC #endif @@ -1549,14 +1541,12 @@ getpages(MEM_SIZE needed, int *nblksp, int bucket) /* Second, check alignment. */ slack = 0; -# ifndef I286 /* The sbrk(0) call on the I286 always returns the next segment */ /* WANTED_ALIGNMENT may be more than NEEDED_ALIGNMENT, but this may improve performance of memory access. */ if (PTR2UV(cp) & (WANTED_ALIGNMENT - 1)) { /* Not aligned. */ slack = WANTED_ALIGNMENT - (PTR2UV(cp) & (WANTED_ALIGNMENT - 1)); add += slack; } -# endif if (add) { DEBUG_m(PerlIO_printf(Perl_debug_log, @@ -1617,7 +1607,6 @@ getpages(MEM_SIZE needed, int *nblksp, int bucket) fatalcroak("Misalignment of sbrk()\n"); else # endif -#ifndef I286 /* Again, this should always be ok on an 80286 */ if (PTR2UV(ovp) & (MEM_ALIGNBYTES - 1)) { DEBUG_m(PerlIO_printf(Perl_debug_log, "fixing sbrk(): %d bytes off machine alignment\n", @@ -1630,7 +1619,6 @@ getpages(MEM_SIZE needed, int *nblksp, int bucket) sbrk_slack += (1 << (bucket >> BUCKET_POW2_SHIFT)); # endif } -#endif ; /* Finish "else" */ sbrked_remains = require - needed; last_op = cp; |