Hi all, On Saturday 16 December 2006 11:43, Chris Samuel wrote: > Jan Wagner <[EMAIL PROTECTED]> wrote: > > The above patch fixes the problem for me. No more out of memory messages > > in phpmyadmin when exporting databases after applying the patch and > > recompiling the package. > > It'd be great if this could get tested out as I'm not quite daring enough > to try and rebuild PHP under Sarge as it has a build depends on > libpcre3-dev from testing.. :-(
pcre3 is backported on bpo. Anyways ... you can give http://ftp.cyconet.org/debian/archive/bpo/php5/5.2.0-7~bpo.2~testing.1/ a try. Here is the changelog entry: php5 (5.2.0-7~bpo.2~testing.1) sarge-backports; urgency=low . * build for sarge * fixing memory leak with 114-zend_alloc_mm_fix.patch (see #402506 and http://bugs.php.net/bug.php?id=39438) * Built against libapr0-dev, libdb4.2-dev, libmysqlclient14-dev, libsqlite3-dev, libsqlite0-dev and libsnmp5-dev. . With kind regards, Jan. -- Never write mail to <[EMAIL PROTECTED]>, you have been warned! -----BEGIN GEEK CODE BLOCK----- Version: 3.1 GIT d-- s+: a- C+++ UL++++ P+ L+++ E- W+++ N+++ o++ K++ w--- O M V- PS PE Y++ PGP++ t-- 5 X R tv- b+ DI- D++ G++ e++ h-- r+++ y+++ ------END GEEK CODE BLOCK------
--- php.orig/Zend/zend_alloc.c 2006/12/01 19:41:57 1.144.2.3.2.19 +++ php/Zend/zend_alloc.c 2006/12/01 20:01:19 1.144.2.3.2.20 @@ -472,6 +472,10 @@ } } else { prev = &heap->free_buckets[0]; + while (prev->next_free_block != &heap->free_buckets[0] && + ZEND_MM_FREE_BLOCK_SIZE(prev->next_free_block) < size) { + prev = prev->next_free_block; + } } next = prev->next_free_block; mm_block->prev_free_block = prev; @@ -1098,10 +1102,8 @@ static void *_zend_mm_alloc_int(zend_mm_heap *heap, size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC) { - size_t true_size, best_size = 0x7fffffff; zend_mm_free_block *p, *end, *best_fit = NULL; - - true_size = ZEND_MM_TRUE_SIZE(size); + size_t true_size = ZEND_MM_TRUE_SIZE(size); if (ZEND_MM_SMALL_SIZE(true_size)) { size_t index = ZEND_MM_BUCKET_INDEX(true_size); @@ -1154,16 +1156,14 @@ end = &heap->free_buckets[0]; for (p = end->next_free_block; p != end; p = p->next_free_block) { - size_t s = ZEND_MM_FREE_BLOCK_SIZE(p); - if (s > true_size) { - if (s < best_size) { /* better fit */ + if (ZEND_MM_FREE_BLOCK_SIZE(p) >= true_size) { + if (ZEND_MM_IS_FIRST_BLOCK(p) || + !ZEND_MM_IS_FIRST_BLOCK(ZEND_MM_PREV_BLOCK(p)) || + !ZEND_MM_IS_GUARD_BLOCK(ZEND_MM_NEXT_BLOCK(p)) || + p->next_free_block == end) { best_fit = p; - best_size = s; + goto zend_mm_finished_searching_for_block; } - } else if (s == true_size) { - /* Found "big" free block of exactly the same size */ - best_fit = p; - goto zend_mm_finished_searching_for_block; } }
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