mirrors/qemu
0
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2024-11-24 11:23:43 +08:00
Code Issues Packages Projects Releases Wiki Activity

util/mmap-alloc: Remove qemu_mempath_getpagesize()

Browse Source 
The last user of this function has just been removed, so we can
drop this function now, too.

Message-Id: <20220810125720.3849835-4-thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2022-08-10 14:57:20 +02:00
parent 90de559a66
commit 90d9946193
2 changed files with 0 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/qemu/mmap-alloc.h
View File

@ -4,8 +4,6 @@
size_t qemu_fd_getpagesize(int fd);
size_t qemu_mempath_getpagesize(const char *mem_path);
/**
* qemu_ram_mmap: mmap anonymous memory, the specified file or device.
*

31
util/mmap-alloc.c
View File

@ -53,37 +53,6 @@ size_t qemu_fd_getpagesize(int fd)
return qemu_real_host_page_size();
}
size_t qemu_mempath_getpagesize(const char *mem_path)
{
#ifdef CONFIG_LINUX
struct statfs fs;
int ret;
if (mem_path) {
do {
ret = statfs(mem_path, &fs);
} while (ret != 0 && errno == EINTR);
if (ret != 0) {
fprintf(stderr, "Couldn't statfs() memory path: %s\n",
strerror(errno));
exit(1);
}
if (fs.f_type == HUGETLBFS_MAGIC) {
/* It's hugepage, return the huge page size */
return fs.f_bsize;
}
}
#ifdef __sparc__
/* SPARC Linux needs greater alignment than the pagesize */
return QEMU_VMALLOC_ALIGN;
#endif
#endif
return qemu_real_host_page_size();
}
#define OVERCOMMIT_MEMORY_PATH "/proc/sys/vm/overcommit_memory"
static bool map_noreserve_effective(int fd, uint32_t qemu_map_flags)
{