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bugfixes in 68.20 for decreasing allocated memory size

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git-svn-id: svn://kolibrios.org@823 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Evgeny Grechnikov (Diamond) 2008-07-11 10:49:21 +00:00
parent 7079b013bb
commit 1827396bcc
1 changed files with 6 additions and 5 deletions
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11
kernel/trunk/core/heap.inc
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@ -949,8 +949,8 @@ user_realloc:
lea eax, [ecx+1] lea eax, [ecx+1]
shl eax, 12 shl eax, 12
push eax push eax
add ecx, ebx add ecx, edx
add edx, ecx lea edx, [ecx+ebx]
shl ebx, 12 shl ebx, 12
jz .ret jz .ret
push esi push esi
@ -962,11 +962,12 @@ user_realloc:
jae .merge_done jae .merge_done
mov eax, [page_tabs+edx*4] mov eax, [page_tabs+edx*4]
test al, USED_BLOCK test al, USED_BLOCK
jz .merge_done jnz .merge_done
and dword [page_tabs+edx*4], 0 and dword [page_tabs+edx*4], 0
and eax, not 0xFFF shr eax, 12
add ebx, eax
add edx, eax add edx, eax
shl eax, 12
add ebx, eax
jmp @b jmp @b
.merge_done: .merge_done:
pop esi pop esi