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'more_frags' lost the memory after the last fragment. Add the remaining

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memory to the appropriate free list.
This commit is contained in:
Mark Andrews
2000-10-13 05:37:17 +00:00
parent c2e0aac879
commit 78bdbbaccb
1 changed files with 22 additions and 2 deletions
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24
lib/isc/mem.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: mem.c,v 1.63 2000/09/12 13:46:12 bwelling Exp $ */
/* $Id: mem.c,v 1.64 2000/10/13 05:37:17 marka Exp $ */
#include <config.h>
@@ -264,6 +264,15 @@ delete_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size,
}
#endif /* ISC_MEM_TRACKLINES */
static inline size_t
rmsize(size_t size) {
/*
* round down to ALIGNMENT_SIZE
*/
size -= (size % ALIGNMENT_SIZE);
return (size);
}
static inline size_t
quantize(size_t size) {
int temp;
@@ -451,10 +460,21 @@ more_frags(isc_mem_t *ctx, size_t new_size) {
*/
curr = new;
next = curr + new_size;
total_size -= new_size;
for (i = 0; i < (frags - 1); i++) {
((element *)curr)->next = (element *)next;
curr = next;
next += new_size;
total_size -= new_size;
}
/*
* Add the remaining fragment of the basic block to a free list.
*/
total_size = rmsize(total_size);
if (total_size > 0) {
((element *)next)->next = ctx->freelists[total_size];
ctx->freelists[total_size] = (element *)next;
ctx->stats[total_size].freefrags++;
}
/*
* curr is now pointing at the last block in the
@@ -964,7 +984,7 @@ isc_mem_stats(isc_mem_t *ctx, FILE *out) {
fprintf(out, "%s%5lu: %11lu gets, %11lu rem",
(i == ctx->max_size) ? ">=" : " ",
(unsigned long) i, s->totalgets, s->gets);
if (s->blocks != 0)
if (s->blocks != 0 || s->freefrags != 0)
fprintf(out, " (%lu bl, %lu ff)",
s->blocks, s->freefrags);
fputc('\n', out);