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authorWarner Losh <imp@bsdimp.com>2021-09-16 18:45:28 -0600
committerWarner Losh <imp@bsdimp.com>2021-10-17 16:55:52 -0600
commit953b69cc06fe3ae5fa1c157f17f054fa95620f38 (patch)
tree5f82859ad4630d9d656b7977155f84543fea1bbb /bsd-user/mmap.c
parent14837a3f7540f38ba78261238da3914a6529d882 (diff)
bsd-user/mmap.c: mmap prefer MAP_ANON for BSD
MAP_ANON and MAP_ANONYMOUS are identical. Prefer MAP_ANON for BSD since the file is now a confusing mix of the two. Signed-off-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Diffstat (limited to 'bsd-user/mmap.c')
-rw-r--r--bsd-user/mmap.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/bsd-user/mmap.c b/bsd-user/mmap.c
index f0be3b12cf..301108ed25 100644
--- a/bsd-user/mmap.c
+++ b/bsd-user/mmap.c
@@ -285,7 +285,7 @@ static abi_ulong mmap_find_vma_aligned(abi_ulong start, abi_ulong size,
addr = start;
wrapped = repeat = 0;
prev = 0;
- flags = MAP_ANONYMOUS | MAP_PRIVATE;
+ flags = MAP_ANON | MAP_PRIVATE;
if (alignment != 0) {
flags |= MAP_ALIGNED(alignment);
}
@@ -409,7 +409,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
if (flags & MAP_FIXED) {
printf("MAP_FIXED ");
}
- if (flags & MAP_ANONYMOUS) {
+ if (flags & MAP_ANON) {
printf("MAP_ANON ");
}
if (flags & MAP_EXCL) {
@@ -431,7 +431,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
}
#endif
- if ((flags & MAP_ANONYMOUS) && fd != -1) {
+ if ((flags & MAP_ANON) && fd != -1) {
errno = EINVAL;
goto fail;
}
@@ -533,7 +533,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
* qemu_real_host_page_size
*/
p = mmap(g2h_untagged(start), host_len, prot,
- flags | MAP_FIXED | ((fd != -1) ? MAP_ANONYMOUS : 0), -1, 0);
+ flags | MAP_FIXED | ((fd != -1) ? MAP_ANON : 0), -1, 0);
if (p == MAP_FAILED)
goto fail;
/* update start so that it points to the file position at 'offset' */
@@ -696,8 +696,7 @@ static void mmap_reserve(abi_ulong start, abi_ulong size)
}
if (real_start != real_end) {
mmap(g2h_untagged(real_start), real_end - real_start, PROT_NONE,
- MAP_FIXED | MAP_ANONYMOUS | MAP_PRIVATE,
- -1, 0);
+ MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0);
}
}