diff options
| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2026-06-30 09:31:55 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-07-07 23:52:52 +0200 |
| commit | ff868f43eb8faf77498efcb206b721e406714e3e (patch) | |
| tree | d666226fba1e7b96e10ccdad17abd5e67fa7dc57 /lib | |
| parent | 02475538bec2c47d1cce1211823c0453175af6a9 (diff) | |
vdso/datastore: Rename data pages variable
An upcoming change will make this a file-scoped variable, for which it
should have a clearer name.
Rename the variable to prepare for that.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Tested-by: Nam Cao <namcao@linutronix.de>
Link: https://patch.msgid.link/20260630-vdso-mlockall-v4-1-6c93708ce723@linutronix.de
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/vdso/datastore.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/vdso/datastore.c b/lib/vdso/datastore.c index 17d37b82ebc6..7f78a32656aa 100644 --- a/lib/vdso/datastore.c +++ b/lib/vdso/datastore.c @@ -32,7 +32,7 @@ struct vdso_arch_data *vdso_k_arch_data __ro_after_init = void __init vdso_setup_data_pages(void) { unsigned int order = get_order(VDSO_NR_PAGES * PAGE_SIZE); - struct page *pages; + struct page *vdso_data_pages; /* * Allocate the data pages dynamically. SPARC does not support mapping @@ -42,24 +42,24 @@ void __init vdso_setup_data_pages(void) * Do not use folios. In time namespaces the pages are mapped in a different order * to userspace, which is not handled by the folio optimizations in finish_fault(). */ - pages = alloc_pages(GFP_KERNEL, order); - if (!pages) + vdso_data_pages = alloc_pages(GFP_KERNEL, order); + if (!vdso_data_pages) panic("Unable to allocate VDSO storage pages"); /* The pages are mapped one-by-one into userspace and each one needs to be refcounted. */ - split_page(pages, order); + split_page(vdso_data_pages, order); /* Move the data already written by other subsystems to the new pages */ - memcpy(page_address(pages), vdso_initdata, VDSO_NR_PAGES * PAGE_SIZE); + memcpy(page_address(vdso_data_pages), vdso_initdata, VDSO_NR_PAGES * PAGE_SIZE); if (IS_ENABLED(CONFIG_GENERIC_GETTIMEOFDAY)) - vdso_k_time_data = page_address(pages + VDSO_TIME_PAGE_OFFSET); + vdso_k_time_data = page_address(vdso_data_pages + VDSO_TIME_PAGE_OFFSET); if (IS_ENABLED(CONFIG_VDSO_GETRANDOM)) - vdso_k_rng_data = page_address(pages + VDSO_RNG_PAGE_OFFSET); + vdso_k_rng_data = page_address(vdso_data_pages + VDSO_RNG_PAGE_OFFSET); if (IS_ENABLED(CONFIG_ARCH_HAS_VDSO_ARCH_DATA)) - vdso_k_arch_data = page_address(pages + VDSO_ARCH_PAGES_START); + vdso_k_arch_data = page_address(vdso_data_pages + VDSO_ARCH_PAGES_START); } static vm_fault_t vvar_fault(const struct vm_special_mapping *sm, |