From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964770AbWFZNHH (ORCPT ); Mon, 26 Jun 2006 09:07:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932318AbWFZNHH (ORCPT ); Mon, 26 Jun 2006 09:07:07 -0400 Received: from ug-out-1314.google.com ([66.249.92.173]:15452 "EHLO ug-out-1314.google.com") by vger.kernel.org with ESMTP id S932291AbWFZNHE (ORCPT ); Mon, 26 Jun 2006 09:07:04 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:reply-to:user-agent:mime-version:to:cc:subject:content-type:content-transfer-encoding:from; b=L+bn7gHMauXiyKXy1Dlb7S244AuclKqok/Pk3/O+frZAgMOQqIw/TNg3kfUFOicFp58HSjIdj1Soc7r1JTSV1sKkyfBZsbzgA01a1sFSkDXUq/981+BTShTqTnul676hpe2174m3nEluD6zWnQnfl8FzuVuUufAAj/+CYyvDZC8= Message-ID: <449FDD02.2090307@innova-card.com> Date: Mon, 26 Jun 2006 15:11:30 +0200 Reply-To: Franck User-Agent: Thunderbird 1.5.0.2 (X11/20060501) MIME-Version: 1.0 To: Andrew Morton , Mel Gorman , Dave Hansen CC: Linux Kernel Mailing List Subject: [PATCH] Clean up the bootmem allocator Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit From: Franck Bui-Huu Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This patch does _only_ some cleanup in the bootmem allocator by: - following the kernel coding style conventions - using pfn/page conversion macros - removing some not needed parentheses - removing some useless included headers - limiting to 80 column width It also removes __init tags in the header file and hopefully make it easier to read. Signed-off-by: Franck Bui-Huu --- include/linux/bootmem.h | 101 ++++++++++++++---------- mm/bootmem.c | 195 ++++++++++++++++++++++++++--------------------- 2 files changed, 167 insertions(+), 129 deletions(-) diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index da2d107..dd733ee 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -41,45 +41,64 @@ typedef struct bootmem_data { struct list_head list; } bootmem_data_t; -extern unsigned long __init bootmem_bootmap_pages (unsigned long); -extern unsigned long __init init_bootmem (unsigned long addr, unsigned long memend); -extern void __init free_bootmem (unsigned long addr, unsigned long size); -extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal); -extern void * __init __alloc_bootmem_nopanic (unsigned long size, unsigned long align, unsigned long goal); -extern void * __init __alloc_bootmem_low(unsigned long size, - unsigned long align, - unsigned long goal); -extern void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, - unsigned long size, - unsigned long align, - unsigned long goal); -extern void * __init __alloc_bootmem_core(struct bootmem_data *bdata, - unsigned long size, unsigned long align, unsigned long goal, - unsigned long limit); +extern unsigned long bootmem_bootmap_pages(unsigned long); +extern unsigned long init_bootmem(unsigned long addr, unsigned long memend); +extern void free_bootmem(unsigned long addr, unsigned long size); +extern void * __alloc_bootmem(unsigned long size, + unsigned long align, + unsigned long goal); +extern void * __alloc_bootmem_nopanic(unsigned long size, + unsigned long align, + unsigned long goal); +extern void * __alloc_bootmem_low(unsigned long size, + unsigned long align, + unsigned long goal); +extern void * __alloc_bootmem_low_node(pg_data_t *pgdat, + unsigned long size, + unsigned long align, + unsigned long goal); +extern void * __alloc_bootmem_core(struct bootmem_data *bdata, + unsigned long size, + unsigned long align, + unsigned long goal, + unsigned long limit); + #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE -extern void __init reserve_bootmem (unsigned long addr, unsigned long size); +extern void reserve_bootmem(unsigned long addr, unsigned long size); #define alloc_bootmem(x) \ - __alloc_bootmem((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) + __alloc_bootmem(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low(x) \ - __alloc_bootmem_low((x), SMP_CACHE_BYTES, 0) + __alloc_bootmem_low(x, SMP_CACHE_BYTES, 0) #define alloc_bootmem_pages(x) \ - __alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) + __alloc_bootmem(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low_pages(x) \ - __alloc_bootmem_low((x), PAGE_SIZE, 0) + __alloc_bootmem_low(x, PAGE_SIZE, 0) #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ -extern unsigned long __init free_all_bootmem (void); -extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal); -extern unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long freepfn, unsigned long startpfn, unsigned long endpfn); -extern void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size); -extern void __init free_bootmem_node (pg_data_t *pgdat, unsigned long addr, unsigned long size); -extern unsigned long __init free_all_bootmem_node (pg_data_t *pgdat); + +extern unsigned long free_all_bootmem(void); +extern unsigned long free_all_bootmem_node(pg_data_t *pgdat); +extern void * __alloc_bootmem_node(pg_data_t *pgdat, + unsigned long size, + unsigned long align, + unsigned long goal); +extern unsigned long init_bootmem_node(pg_data_t *pgdat, + unsigned long freepfn, + unsigned long startpfn, + unsigned long endpfn); +extern void reserve_bootmem_node(pg_data_t *pgdat, + unsigned long physaddr, + unsigned long size); +extern void free_bootmem_node(pg_data_t *pgdat, + unsigned long addr, + unsigned long size); + #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE #define alloc_bootmem_node(pgdat, x) \ - __alloc_bootmem_node((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) + __alloc_bootmem_node(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_pages_node(pgdat, x) \ - __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) + __alloc_bootmem_node(pgdat, x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low_pages_node(pgdat, x) \ - __alloc_bootmem_low_node((pgdat), (x), PAGE_SIZE, 0) + __alloc_bootmem_low_node(pgdat, x, PAGE_SIZE, 0) #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ #ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP @@ -89,19 +108,19 @@ static inline void *alloc_remap(int nid, { return NULL; } -#endif +#endif /* CONFIG_HAVE_ARCH_ALLOC_REMAP */ -extern unsigned long __initdata nr_kernel_pages; -extern unsigned long __initdata nr_all_pages; +extern unsigned long nr_kernel_pages; +extern unsigned long nr_all_pages; -extern void *__init alloc_large_system_hash(const char *tablename, - unsigned long bucketsize, - unsigned long numentries, - int scale, - int flags, - unsigned int *_hash_shift, - unsigned int *_hash_mask, - unsigned long limit); +extern void *alloc_large_system_hash(const char *tablename, + unsigned long bucketsize, + unsigned long numentries, + int scale, + int flags, + unsigned int *_hash_shift, + unsigned int *_hash_mask, + unsigned long limit); #define HASH_HIGHMEM 0x00000001 /* Consider highmem? */ #define HASH_EARLY 0x00000002 /* Allocating during early boot? */ @@ -114,7 +133,7 @@ #define HASHDIST_DEFAULT 1 #else #define HASHDIST_DEFAULT 0 #endif -extern int __initdata hashdist; /* Distribute hashes across NUMA nodes? */ +extern int hashdist; /* Distribute hashes across NUMA nodes? */ #endif /* _LINUX_BOOTMEM_H */ diff --git a/mm/bootmem.c b/mm/bootmem.c index d213fed..a8fb272 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -8,17 +8,14 @@ * free memory collector. It's used to deal with reserved * system memory and memory holes as well. */ - -#include -#include -#include -#include #include -#include #include +#include +#include #include -#include + #include + #include "internal.h" /* @@ -43,7 +40,7 @@ unsigned long saved_max_pfn; #endif /* return the number of _pages_ that will be allocated for the boot bitmap */ -unsigned long __init bootmem_bootmap_pages (unsigned long pages) +unsigned long __init bootmem_bootmap_pages(unsigned long pages) { unsigned long mapsize; @@ -56,7 +53,7 @@ unsigned long __init bootmem_bootmap_pag /* * link bdata in order */ -static void link_bootmem(bootmem_data_t *bdata) +static void __init link_bootmem(bootmem_data_t *bdata) { bootmem_data_t *ent; if (list_empty(&bdata_list)) { @@ -71,22 +68,32 @@ static void link_bootmem(bootmem_data_t } } list_add_tail(&bdata->list, &bdata_list); - return; } +/* + * Given an initialised bdata, it returns the size of the boot bitmap + */ +static unsigned long __init get_mapsize(bootmem_data_t *bdata) +{ + unsigned long mapsize; + unsigned long start = PFN_DOWN(bdata->node_boot_start); + unsigned long end = bdata->node_low_pfn; + + mapsize = ((end - start) + 7) / 8; + return ALIGN(mapsize, sizeof(long)); +} /* * Called once to set up the allocator itself. */ -static unsigned long __init init_bootmem_core (pg_data_t *pgdat, +static unsigned long __init init_bootmem_core(pg_data_t *pgdat, unsigned long mapstart, unsigned long start, unsigned long end) { bootmem_data_t *bdata = pgdat->bdata; - unsigned long mapsize = ((end - start)+7)/8; + unsigned long mapsize; - mapsize = ALIGN(mapsize, sizeof(long)); - bdata->node_bootmem_map = phys_to_virt(mapstart << PAGE_SHIFT); - bdata->node_boot_start = (start << PAGE_SHIFT); + bdata->node_bootmem_map = phys_to_virt(PFN_PHYS(mapstart)); + bdata->node_boot_start = PFN_PHYS(start); bdata->node_low_pfn = end; link_bootmem(bdata); @@ -94,6 +101,7 @@ static unsigned long __init init_bootmem * Initially all pages are reserved - setup_arch() has to * register free RAM areas explicitly. */ + mapsize = get_mapsize(bdata); memset(bdata->node_bootmem_map, 0xff, mapsize); return mapsize; @@ -104,22 +112,22 @@ static unsigned long __init init_bootmem * might be used for boot-time allocations - or it might get added * to the free page pool later on. */ -static void __init reserve_bootmem_core(bootmem_data_t *bdata, unsigned long addr, unsigned long size) +static void __init reserve_bootmem_core(bootmem_data_t *bdata, unsigned long addr, + unsigned long size) { + unsigned long sidx, eidx; unsigned long i; + /* * round up, partially reserved pages are considered * fully reserved. */ - unsigned long sidx = (addr - bdata->node_boot_start)/PAGE_SIZE; - unsigned long eidx = (addr + size - bdata->node_boot_start + - PAGE_SIZE-1)/PAGE_SIZE; - unsigned long end = (addr + size + PAGE_SIZE-1)/PAGE_SIZE; - BUG_ON(!size); - BUG_ON(sidx >= eidx); - BUG_ON((addr >> PAGE_SHIFT) >= bdata->node_low_pfn); - BUG_ON(end > bdata->node_low_pfn); + BUG_ON(PFN_DOWN(addr) >= bdata->node_low_pfn); + BUG_ON(PFN_UP(addr + size) > bdata->node_low_pfn); + + sidx = PFN_DOWN(addr - bdata->node_boot_start); + eidx = PFN_UP(addr + size - bdata->node_boot_start); for (i = sidx; i < eidx; i++) if (test_and_set_bit(i, bdata->node_bootmem_map)) { @@ -129,20 +137,18 @@ #endif } } -static void __init free_bootmem_core(bootmem_data_t *bdata, unsigned long addr, unsigned long size) +static void __init free_bootmem_core(bootmem_data_t *bdata, unsigned long addr, + unsigned long size) { + unsigned long sidx, eidx; unsigned long i; - unsigned long start; + /* * round down end of usable mem, partially free pages are * considered reserved. */ - unsigned long sidx; - unsigned long eidx = (addr + size - bdata->node_boot_start)/PAGE_SIZE; - unsigned long end = (addr + size)/PAGE_SIZE; - BUG_ON(!size); - BUG_ON(end > bdata->node_low_pfn); + BUG_ON(PFN_DOWN(addr + size) > bdata->node_low_pfn); if (addr < bdata->last_success) bdata->last_success = addr; @@ -150,8 +156,8 @@ static void __init free_bootmem_core(boo /* * Round up the beginning of the address. */ - start = (addr + PAGE_SIZE-1) / PAGE_SIZE; - sidx = start - (bdata->node_boot_start/PAGE_SIZE); + sidx = PFN_UP(addr) - PFN_DOWN(bdata->node_boot_start); + eidx = PFN_DOWN(addr + size - bdata->node_boot_start); for (i = sidx; i < eidx; i++) { if (unlikely(!test_and_clear_bit(i, bdata->node_bootmem_map))) @@ -176,11 +182,13 @@ void * __init __alloc_bootmem_core(struct bootmem_data *bdata, unsigned long size, unsigned long align, unsigned long goal, unsigned long limit) { - unsigned long offset, remaining_size, areasize, preferred; - unsigned long i, start = 0, incr, eidx, end_pfn = bdata->node_low_pfn; + unsigned long offset, areasize, preferred; + unsigned long i, start, incr, eidx; + unsigned long end_pfn; + unsigned long remaining_size; void *ret; - if(!size) { + if (!size) { printk("__alloc_bootmem_core(): zero-sized request\n"); BUG(); } @@ -189,23 +197,22 @@ __alloc_bootmem_core(struct bootmem_data if (limit && bdata->node_boot_start >= limit) return NULL; - limit >>=PAGE_SHIFT; + end_pfn = bdata->node_low_pfn; + limit = PFN_DOWN(limit); if (limit && end_pfn > limit) end_pfn = limit; - eidx = end_pfn - (bdata->node_boot_start >> PAGE_SHIFT); + eidx = end_pfn - PFN_DOWN(bdata->node_boot_start); offset = 0; - if (align && - (bdata->node_boot_start & (align - 1UL)) != 0) - offset = (align - (bdata->node_boot_start & (align - 1UL))); - offset >>= PAGE_SHIFT; + if (align && (bdata->node_boot_start & (align - 1UL)) != 0) + offset = align - (bdata->node_boot_start & (align - 1UL)); + offset = PFN_DOWN(offset); /* * We try to allocate bootmem pages above 'goal' * first, then we try to allocate lower pages. */ - if (goal && (goal >= bdata->node_boot_start) && - ((goal >> PAGE_SHIFT) < end_pfn)) { + if (goal && goal >= bdata->node_boot_start && PFN_DOWN(goal) < end_pfn) { preferred = goal - bdata->node_boot_start; if (bdata->last_success >= preferred) @@ -214,11 +221,11 @@ __alloc_bootmem_core(struct bootmem_data } else preferred = 0; - preferred = ALIGN(preferred, align) >> PAGE_SHIFT; - preferred += offset; - areasize = (size+PAGE_SIZE-1)/PAGE_SIZE; + preferred = PFN_DOWN(ALIGN(preferred, align)) + offset; + areasize = (size + PAGE_SIZE-1) / PAGE_SIZE; incr = align >> PAGE_SHIFT ? : 1; + start = 0; restart_scan: for (i = preferred; i < eidx; i += incr) { unsigned long j; @@ -231,7 +238,7 @@ restart_scan: for (j = i + 1; j < i + areasize; ++j) { if (j >= eidx) goto fail_block; - if (test_bit (j, bdata->node_bootmem_map)) + if (test_bit(j, bdata->node_bootmem_map)) goto fail_block; } start = i; @@ -247,7 +254,7 @@ restart_scan: return NULL; found: - bdata->last_success = start << PAGE_SHIFT; + bdata->last_success = PFN_PHYS(start); BUG_ON(start >= eidx); /* @@ -259,19 +266,21 @@ found: bdata->last_offset && bdata->last_pos+1 == start) { offset = ALIGN(bdata->last_offset, align); BUG_ON(offset > PAGE_SIZE); - remaining_size = PAGE_SIZE-offset; + remaining_size = PAGE_SIZE - offset; if (size < remaining_size) { areasize = 0; /* last_pos unchanged */ - bdata->last_offset = offset+size; - ret = phys_to_virt(bdata->last_pos*PAGE_SIZE + offset + - bdata->node_boot_start); + bdata->last_offset = offset + size; + ret = phys_to_virt(bdata->last_pos * PAGE_SIZE + + offset + + bdata->node_boot_start); } else { remaining_size = size - remaining_size; - areasize = (remaining_size+PAGE_SIZE-1)/PAGE_SIZE; - ret = phys_to_virt(bdata->last_pos*PAGE_SIZE + offset + - bdata->node_boot_start); - bdata->last_pos = start+areasize-1; + areasize = (remaining_size + PAGE_SIZE-1) / PAGE_SIZE; + ret = phys_to_virt(bdata->last_pos * PAGE_SIZE + + offset + + bdata->node_boot_start); + bdata->last_pos = start + areasize - 1; bdata->last_offset = remaining_size; } bdata->last_offset &= ~PAGE_MASK; @@ -284,7 +293,7 @@ found: /* * Reserve the area now: */ - for (i = start; i < start+areasize; i++) + for (i = start; i < start + areasize; i++) if (unlikely(test_and_set_bit(i, bdata->node_bootmem_map))) BUG(); memset(ret, 0, size); @@ -305,8 +314,8 @@ static unsigned long __init free_all_boo count = 0; /* first extant page of the node */ - pfn = bdata->node_boot_start >> PAGE_SHIFT; - idx = bdata->node_low_pfn - (bdata->node_boot_start >> PAGE_SHIFT); + pfn = PFN_DOWN(bdata->node_boot_start); + idx = bdata->node_low_pfn - pfn; map = bdata->node_bootmem_map; /* Check physaddr is O(LOG2(BITS_PER_LONG)) page aligned */ if (bdata->node_boot_start == 0 || @@ -335,7 +344,7 @@ static unsigned long __init free_all_boo } } } else { - i+=BITS_PER_LONG; + i += BITS_PER_LONG; } pfn += BITS_PER_LONG; } @@ -347,9 +356,10 @@ static unsigned long __init free_all_boo */ page = virt_to_page(bdata->node_bootmem_map); count = 0; - for (i = 0; i < ((bdata->node_low_pfn-(bdata->node_boot_start >> PAGE_SHIFT))/8 + PAGE_SIZE-1)/PAGE_SIZE; i++,page++) { - count++; + idx = (get_mapsize(bdata) + PAGE_SIZE-1) >> PAGE_SHIFT; + for (i = 0; i < idx; i++, page++) { __free_pages_bootmem(page, 0); + count++; } total += count; bdata->node_bootmem_map = NULL; @@ -357,64 +367,72 @@ static unsigned long __init free_all_boo return total; } -unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long freepfn, unsigned long startpfn, unsigned long endpfn) +unsigned long __init init_bootmem_node(pg_data_t *pgdat, unsigned long freepfn, + unsigned long startpfn, unsigned long endpfn) { - return(init_bootmem_core(pgdat, freepfn, startpfn, endpfn)); + return init_bootmem_core(pgdat, freepfn, startpfn, endpfn); } -void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size) +void __init reserve_bootmem_node(pg_data_t *pgdat, unsigned long physaddr, + unsigned long size) { reserve_bootmem_core(pgdat->bdata, physaddr, size); } -void __init free_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size) +void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr, + unsigned long size) { free_bootmem_core(pgdat->bdata, physaddr, size); } -unsigned long __init free_all_bootmem_node (pg_data_t *pgdat) +unsigned long __init free_all_bootmem_node(pg_data_t *pgdat) { - return(free_all_bootmem_core(pgdat)); + return free_all_bootmem_core(pgdat); } -unsigned long __init init_bootmem (unsigned long start, unsigned long pages) +unsigned long __init init_bootmem(unsigned long start, unsigned long pages) { max_low_pfn = pages; min_low_pfn = start; - return(init_bootmem_core(NODE_DATA(0), start, 0, pages)); + return init_bootmem_core(NODE_DATA(0), start, 0, pages); } #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE -void __init reserve_bootmem (unsigned long addr, unsigned long size) +void __init reserve_bootmem(unsigned long addr, unsigned long size) { reserve_bootmem_core(NODE_DATA(0)->bdata, addr, size); } #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ -void __init free_bootmem (unsigned long addr, unsigned long size) +void __init free_bootmem(unsigned long addr, unsigned long size) { free_bootmem_core(NODE_DATA(0)->bdata, addr, size); } -unsigned long __init free_all_bootmem (void) +unsigned long __init free_all_bootmem(void) { - return(free_all_bootmem_core(NODE_DATA(0))); + return free_all_bootmem_core(NODE_DATA(0)); } -void * __init __alloc_bootmem_nopanic(unsigned long size, unsigned long align, unsigned long goal) +void * __init __alloc_bootmem_nopanic(unsigned long size, unsigned long align, + unsigned long goal) { bootmem_data_t *bdata; void *ptr; - list_for_each_entry(bdata, &bdata_list, list) - if ((ptr = __alloc_bootmem_core(bdata, size, align, goal, 0))) - return(ptr); + list_for_each_entry(bdata, &bdata_list, list) { + ptr = __alloc_bootmem_core(bdata, size, align, goal, 0); + if (ptr) + return ptr; + } return NULL; } -void * __init __alloc_bootmem(unsigned long size, unsigned long align, unsigned long goal) +void * __init __alloc_bootmem(unsigned long size, unsigned long align, + unsigned long goal) { void *mem = __alloc_bootmem_nopanic(size,align,goal); + if (mem) return mem; /* @@ -426,8 +444,8 @@ void * __init __alloc_bootmem(unsigned l } -void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, unsigned long align, - unsigned long goal) +void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, + unsigned long align, unsigned long goal) { void *ptr; @@ -440,16 +458,17 @@ void * __init __alloc_bootmem_node(pg_da #define LOW32LIMIT 0xffffffff -void * __init __alloc_bootmem_low(unsigned long size, unsigned long align, unsigned long goal) +void * __init __alloc_bootmem_low(unsigned long size, unsigned long align, + unsigned long goal) { bootmem_data_t *bdata; void *ptr; - list_for_each_entry(bdata, &bdata_list, list) - if ((ptr = __alloc_bootmem_core(bdata, size, - align, goal, LOW32LIMIT))) - return(ptr); - + list_for_each_entry(bdata, &bdata_list, list) { + ptr = __alloc_bootmem_core(bdata, size, align, goal, LOW32LIMIT); + if (ptr) + return ptr; + } /* * Whoops, we cannot satisfy the allocation request. */ -- 1.4.0.g64e8