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exec: sort the memory from biggest to smallest

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-11-14 16:00:51 +01:00 • committed by Juan Quintela
parent a3161038a1
commit abb26d63e7
2 changed files with 12 additions and 32 deletions
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30
arch_init.c
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@ -505,35 +505,6 @@ uint64_t ram_bytes_total(void)
return total;
}
static int block_compar(const void *a, const void *b)
{
RAMBlock * const *ablock = a;
RAMBlock * const *bblock = b;
return strcmp((*ablock)->idstr, (*bblock)->idstr);
}
static void sort_ram_list(void)
{
RAMBlock *block, *nblock, **blocks;
int n;
n = 0;
QTAILQ_FOREACH(block, &ram_list.blocks, next) {
++n;
}
blocks = g_malloc(n * sizeof *blocks);
n = 0;
QTAILQ_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
blocks[n++] = block;
QTAILQ_REMOVE(&ram_list.blocks, block, next);
}
qsort(blocks, n, sizeof *blocks, block_compar);
while (--n >= 0) {
QTAILQ_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
}
g_free(blocks);
}
static void migration_end(void)
{
if (migration_bitmap) {
@ -562,7 +533,6 @@ static void reset_ram_globals(void)
{
last_block = NULL;
last_offset = 0;
sort_ram_list();
}
#define MAX_WAIT 50 /* ms, half buffered_file limit */