The patch titled LIB: add gen_pool_destroy() has been removed from the -mm tree. Its filename is lib-add-gen_pool_destroy.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ Subject: LIB: add gen_pool_destroy() From: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx> Modules using the genpool allocator need to be able to destroy the data structure when unloading. Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxx> Cc: Dean Nelson <dcn@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxx> --- include/linux/genalloc.h | 1 + lib/genalloc.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff -puN include/linux/genalloc.h~lib-add-gen_pool_destroy include/linux/genalloc.h --- a/include/linux/genalloc.h~lib-add-gen_pool_destroy +++ a/include/linux/genalloc.h @@ -31,5 +31,6 @@ struct gen_pool_chunk { extern struct gen_pool *gen_pool_create(int, int); extern int gen_pool_add(struct gen_pool *, unsigned long, size_t, int); +extern void gen_pool_destroy(struct gen_pool *); extern unsigned long gen_pool_alloc(struct gen_pool *, size_t); extern void gen_pool_free(struct gen_pool *, unsigned long, size_t); diff -puN lib/genalloc.c~lib-add-gen_pool_destroy lib/genalloc.c --- a/lib/genalloc.c~lib-add-gen_pool_destroy +++ a/lib/genalloc.c @@ -71,6 +71,36 @@ EXPORT_SYMBOL(gen_pool_add); /* + * Destroy a memory pool. Verifies that there are no outstanding allocations. + * + * @pool: pool to destroy + */ +void gen_pool_destroy(struct gen_pool *pool) +{ + struct list_head *_chunk, *_next_chunk; + struct gen_pool_chunk *chunk; + int order = pool->min_alloc_order; + int bit, end_bit; + + + write_lock(&pool->lock); + list_for_each_safe(_chunk, _next_chunk, &pool->chunks) { + chunk = list_entry(_chunk, struct gen_pool_chunk, next_chunk); + list_del(&chunk->next_chunk); + + end_bit = (chunk->end_addr - chunk->start_addr) >> order; + bit = find_next_bit(chunk->bits, end_bit, 0); + BUG_ON(bit < end_bit); + + kfree(chunk); + } + kfree(pool); + return; +} +EXPORT_SYMBOL(gen_pool_destroy); + + +/* * Allocate the requested number of bytes from the specified pool. * Uses a first-fit algorithm. * _ Patches currently in -mm which might be from swise@xxxxxxxxxxxxxxxxxxxxx are origin.patch - To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html