[v2] linux-user: Improve host and guest page size handling

[PATCH v2 09/33] linux-user: Remove REAL_HOST_PAGE_ALIGN from mmap.c

Richard Henderson posted 33 patches 2 years, 5 months ago

Diff against v3 v4
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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Riku Voipio <riku.voipio@iki.fi>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Stefan Berger <stefanb@linux.vnet.ibm.com>, Laurent Vivier <laurent@vivier.eu>, Juan Quintela <quintela@redhat.com>, Peter Xu <peterx@redhat.com>, Leonardo Bras <leobras@redhat.com>, David Hildenbrand <david@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Nicholas Piggin <npiggin@gmail.com>, "Alex Bennée" <alex.bennee@linaro.org>

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[PATCH v2 09/33] linux-user: Remove REAL_HOST_PAGE_ALIGN from mmap.c

Posted by Richard Henderson 2 years, 5 months ago

We already have qemu_real_host_page_size() in a local variable.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/mmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index fc23192a32..48a6ef0af9 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -541,7 +541,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int target_prot,
              * the hosts real pagesize. Additional anonymous maps
              * will be created beyond EOF.
              */
-            len = REAL_HOST_PAGE_ALIGN(sb.st_size - offset);
+            len = ROUND_UP(sb.st_size - offset, host_page_size);
         }
     }
 
-- 
2.34.1